1 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4 symbol in the output file for non-shared links when -nostdlib or
5 -nodefaultlibs isn't specified.
7 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
10 2006-10-15 Jan Hubicka <jh@suse.cz>
13 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
14 declared always_inline even when not inlining.
16 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18 Andrew Pinski <pinskia@gmail.com>
21 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
23 2006-10-15 Jan Hubicka <jh@suse.cz>
24 Richard Guenther <rguenther@suse.de>
27 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
28 process_function_and_variable_attributes on all variables, including
29 those discovered during cgraph construction phase.
31 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
33 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
35 2006-10-14 Uros Bizjak <uros@kss-loka.si>
37 * config/i386/athlon.md (athlon_fist): Add fisttp.
39 2006-10-13 David Edelsohn <edelsohn@gnu.org>
40 Ian Lance Taylor <ian@airs.com>
43 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
44 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
47 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
49 * config/score/score.c, config/score/score.h: Fix comment
52 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
55 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
58 2006-10-13 Eric Christopher <echristo@apple.com>
60 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
62 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
65 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
66 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
67 alignment supported by 32-bit ELF.
69 2006-10-13 Eric Christopher <echristo@apple.com>
71 * config/darwin.c (darwin_emit_unwind_label): Strip
72 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
74 2006-10-13 Richard Guenther <rguenther@suse.de>
76 PR tree-optimization/29446
77 * tree-vrp.c (fix_equivalence_set): Remove.
78 (extract_range_from_assert): Do not call fix_equivalence_set.
79 (debug_value_range): Print a newline.
80 (compare_name_with_value): For equivalence sets with
81 inconsistent value ranges conservatively bail out.
82 (compare_names): Likewise.
84 2006-10-13 David Edelsohn <edelsohn@gnu.org>
86 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
87 and MPFR for gfortran.
89 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
91 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
92 alignment supported by 32-bit ELF.
94 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
98 * c-typeck.c (digest_init): Always allow initializing vectors
99 that have static storage duration with compound literals.
100 * tree.c (build_type_attribute_qual_variant): New, based on
101 build_type_attribute_variant.
102 (build_type_attribute_variant): Rewrite using the former.
103 (make_vector_type): Use build_type_attribute_qual_variant to build
104 type variants. Use type_hash_canon on the others.
106 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
107 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
109 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
111 2006-10-12 Jan Hubicka <jh@suse.cz>
114 * c-decl.c (c_make_fname_decl): Do not segfault in case where
115 current_function_decl is set but current_function_scope is not.
117 2006-10-12 Jie Zhang <jie.zhang@analog.com>
119 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
120 emit_insn to emit eh_return_internal instruction.
121 (eh_return_internal): Explicitly set pc.
123 2006-10-11 Richard Guenther <rguenther@suse.de>
125 PR tree-optimization/28230
126 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
127 to the correct place.
129 2006-10-11 Richard Guenther <rguenther@suse.de>
132 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
135 2006-10-10 Brooks Moses <bmoses@stanford.edu>
137 * configure.ac: Added pdf to "Make-hooks"
138 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
139 targets and *.pdf file patterns in cleanup targets.
140 * configure: Regenerated.
142 2006-10-10 Anatoly Sokolov <aesok@post.ru>
144 * config/avr/predicates.md: New file.
145 * config/avr/avr.md: Include it.
146 (REG_SP): New constant.
147 (peepholes): Use predicates.
148 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
149 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
150 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
152 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
154 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
157 2006-10-10 Jakub Jelinek <jakub@redhat.com>
160 * builtins.c (var_decl_component_p): New function.
161 (fold_builtin_memset, fold_builtin_memory_op): Restrict
162 single entry optimization to variables and components thereof.
164 2006-10-10 Richard Guenther <rguenther@suse.de>
166 PR rtl-optimization/29323
167 * except.c (set_nothrow_function_flags): For functions
168 that do not bind local bail out early.
170 2006-10-10 Ben Elliston <bje@au.ibm.com>
172 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
175 2006-10-09 Richard Henderson <rth@redhat.com>
179 2006-10-09 Richard Guenther <rguenther@suse.de>
182 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
185 2006-10-09 Steve Ellcey <sje@cup.hp.com>
188 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
189 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
190 * configure: Regenerate.
191 * config.in: Regenerate.
193 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
195 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
197 2006-10-08 Richard Sandiford <richard@codesourcery.com>
199 * config/mips/mips.c (mips_legitimize_tls_address): Implement
200 all TLS models in the same way as local exec if !TARGET_ABICALLS.
201 Remove stray newline.
203 2006-10-08 Richard Sandiford <richard@codesourcery.com>
205 * config/mips/mips.c (mips_classify_symbol): Do not return
206 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
207 (mips_in_small_data_p): Tweak comments.
209 2006-10-08 Richard Sandiford <richard@codesourcery.com>
211 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
213 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
215 * gimplify.c, sched-int.h: Fix comment typos.
217 * sched-int.h: Fix comment typos.
219 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
221 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
223 * sched-ebb.c (begin_schedule_ready): Use them.
224 * haifa-sched.c (schedule_insn, move_insn, try_ready,
225 add_to_speculative_block, create_check_block_twin, speculate_insn,
226 fix_jump_move, move_block_after_check): Ditto.
227 * sched-rgn.c (new_ready): Ditto.
229 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
231 PR rtl-optimization/29128
232 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
233 * sched-ebb.c (advance_target_bb): Use it to fix condition to
234 allow interblock movement of speculation checks.
236 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
239 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
240 casted to integer type.
241 (get_address_cost): Decrease cost of [symbol + index] addressing modes
242 if they are significantly more expensive than [reg + index] ones.
244 2006-10-06 Jakub Jelinek <jakub@redhat.com>
246 PR tree-optimization/29330
247 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
248 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
249 on newly allocated ddrs.
250 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
251 to VEC (loop_p, heap) pointer.
252 (compute_data_dependences_for_loop): Adjust caller.
253 (free_dependence_relations): Free DDR_LOOP_NEST.
255 * tree-loop-linear.c (linear_transform_loops): Don't forget to
256 free DEPENDENCE_RELATIONS and DATAREFS.
259 * builtins.c (expand_builtin_sync_operation,
260 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
261 Use convert_to_mode to handle promoted arguments.
263 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
265 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
267 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
269 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
271 2006-10-05 Uros Bizjak <uros@kss-loka.si>
273 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
274 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
275 Use <modeconstraint> instead of "r" as operand 1 constraint.
277 2006-10-06 Olivier Hainque <hainque@adacore.com>
279 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
280 Don't recurse on the pointed-to type.
281 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
282 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
283 types with components of variable size.
285 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
287 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
289 2006-10-06 Jakub Jelinek <jakub@redhat.com>
291 PR tree-optimization/29290
292 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
296 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
297 * config/i386/predicates.md (local_symbolic_operand): Likewise.
300 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
301 the number of vector elements fill the rest with zeros.
303 2006-10-05 Richard Sandiford <richard@codesourcery.com>
305 * config/mips/mips.c (mips_pass_by_reference): Do not return false
306 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
309 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
311 * config/bfin/bfin.md (subsi3): Lose expander, change previously
312 unnamed pattern into subsi3. Use correct constraints/predicates.
313 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
314 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
316 2006-10-05 Ira Rosen <irar@il.ibm.com>
318 * doc/loop.texi: Add data references analysis description.
320 2006-10-04 Brooks Moses <bmoses@stanford.edu>
322 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
324 2006-10-04 Richard Henderson <rth@redhat.com>
325 Jakub Jelinek <jakub@redhat.com>
327 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
328 * builtin-types.def (BT_WORD): Make unsigned.
329 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
330 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
331 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
332 * c-decl.c (grokdeclarator): Don't error if !have_tls.
333 * c-parser.c (c_parser_omp_threadprivate): Likewise.
334 * cgraph.c (decide_is_variable_needed): Look at force_output.
335 Recurse for emulated tls.
336 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
337 checks redundant with decide_is_variable_needed.
338 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
339 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
341 * expr.c (emutls_var_address): New.
342 (expand_expr_real_1): Expand emulated tls.
343 (expand_expr_addr_expr_1): Likewise.
344 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
345 * output.h (emutls_finish): Declare.
346 * toplev.c (compile_file): Call it.
347 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
348 address before wrapping in CONST.
349 * varasm.c (emutls_htab, emutls_object_type): New.
350 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
351 (get_emutls_object_name, get_emutls_object_type): New.
352 (get_emutls_init_templ_addr, emutls_decl): New.
353 (emutls_common_1, emutls_finish): New.
354 (assemble_variable): When emulating tls, swap decls; generate
355 constructor for the emutls objects.
356 (do_assemble_alias): When emulating tls, swap decl and target name.
357 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
359 * emutls.c: New file.
360 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
361 tls_object for real tls.
363 2006-10-04 Zack Weinberg <zackw@panix.com>
365 Fix bug in constraint-check generator, reported by Rask Ingemann
367 * genpreds.c (add_constraint): Don't remove anything from the
369 (write_tm_constrs_h): Detect whether "op" argument is used, and
370 mark it ARG_UNUSED if it isn't.
371 (write_insn_const_int_ok_for_constraint): Skip the part of the
372 expression that would test whether "op" (which is not available
373 here) is a CONST_INT.
375 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
378 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
380 2006-10-03 Geoffrey Keating <geoffk@apple.com>
382 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
383 current Leopard versions.
384 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
386 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
388 * doc/install.texi: Fix typos.
390 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
392 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
393 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
394 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
396 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
398 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
399 arg to be struct mach_header_64* instead.
401 2006-10-02 Jakub Jelinek <jakub@redhat.com>
404 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
405 side effects after the outer expression's post side effects.
407 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
409 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
410 comments to reflect actual behavior and relationship between
411 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
413 * doc/c-tree.texi (Working with declarations): Fix documentation
414 of FIELD_DECL likewise.
416 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
419 * doc/extend.texi: Add used variable attribute description.
421 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
424 * c.opt (Woverride-init): New.
425 * c-opts.c (c_common_post_options): Default warn_override_init to
427 * c-typeck.c (add_pending_init, output_init_element): Warn for
428 overriding initializers without side effects.
429 * doc/invoke.texi (-Woverride-init): Document.
432 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
434 PR rtl-optimization/28096
435 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
436 assignment has already been used as a destination earlier in the block.
438 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
440 * builtins.c (expand_builtin_setjmp): Delete.
441 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
442 <BUILT_IN_SETJMP_SETUP>: New case.
443 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
444 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
445 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
446 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
447 (BUILT_IN_SETJMP_RECEIVER): Likewise.
448 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
449 (lower_function_body): Initialize it to false. If it is set to true
450 at the end of the processing, emit the setjmp dispatcher.
451 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
452 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
453 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
454 on the rhs of the assignment.
455 (lower_builtin_setjmp): New function.
456 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
457 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
458 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
459 to detect calls that can go to non-local labels. Use specific
460 helper to create the abnormal edges associated with them.
461 <MODIFY_EXPR>: Likewise.
462 (make_abnormal_goto_edges): New function extracted from...
463 (make_goto_expr_edges): ...here. Call it for computed gotos.
464 (simple_goto_p): Minor tweak.
465 (tree_can_make_abnormal_goto): New predicate.
466 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
467 (tree_purge_dead_abnormal_call_edges): New function.
468 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
469 (tree_purge_dead_abnormal_call_edges): Likewise.
470 (make_abnormal_goto_edges): Likewise.
471 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
472 Purge all dead abnormal edges if the call was in the last statement.
473 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
474 (execute_fixup_cfg): If there are non-local labels in the function,
475 scan the basic blocks and split them at calls that can go to non-local
476 labels or add missing abnormal call edges. Write down the CFG in the
478 (pass_fixup_cfg): Remove TODO_dump_func flag.
479 * unwind-sjlj.c: Poison setjmp.
480 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
481 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
482 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
483 (DONT_USE_BUILTIN_SETJMP): Document it.
485 2006-09-28 Geoffrey Keating <geoffk@apple.com>
488 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
489 to 1 when __ppc64__ is defined.
490 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
492 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
494 2006-09-28 Steve Ellcey <sje@cup.hp.com>
496 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
497 * config/ia64/unwind-hpux.c: Delete.
499 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
501 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
502 on the element before gimplifying it, instead of punting if it is of
505 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
507 * doc/loop.texi: New file.
508 * doc/gccint.texi: Reference loop.texi.
509 * Makefile.in (loop.texi): Add.
511 2006-09-27 Geoffrey Keating <geoffk@apple.com>
513 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
515 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
516 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
518 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
520 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
522 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
524 * doc/install.texi: Document required versions of GMP and MPFR.
526 2006-09-27 Paul Brook <paul@codesourcery.com>
529 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
531 2006-09-27 Richard Sandiford <richard@codesourcery.com>
533 * reload1.c (alter_reg): Require the alignment of the stack slot to
534 be at least reg_max_ref_width bytes.
535 (scan_paradoxical_subregs): Record the largest width in
538 2006-09-26 Jakub Jelinek <jakub@redhat.com>
542 * tree-nested.c (struct nesting_info): Added static_chain_added.
543 (convert_call_expr): Set static_chain_added when adding static
544 chain. Handle OMP_PARALLEL and OMP_SECTION.
546 2006-09-25 Matthias Klose <doko@debian.org>
548 * doc/invoke.texi: Add missing full stop.
550 2006-09-25 Richard Henderson <rth@redhat.com>
552 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
553 before cgraph_function_flags_ready.
555 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
556 Adam Nemet <anemet@caviumnetworks.com>
558 * tree-ssa-loop-ivopts.c (aff_combination_convert,
559 determine_common_wider_type): New functions.
560 (get_computation_aff): Use them to simplify arithmetic between
561 UBASE and CBASE if they are shortened from the same type.
563 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
566 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
567 -2147483647 - 1 instead of 0x80000000.
569 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
571 * flags.h (HONOR_NANS): Fix typo in comment.
573 2006-09-23 Uros Bizjak <uros@kss-loka.si>
575 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
577 2006-09-23 Jakub Jelinek <jakub@redhat.com>
581 * tree.c (merge_attributes, attribute_list_contained): If both
582 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
584 * c-typeck.c (comptypes_internal): Don't consider aggregates
585 in different TUs as compatible if there one set of attributes is
586 not a subset of the other type's attributes.
587 (composite_type): Try harder not to create a new aggregate type.
589 2006-09-22 Geoffrey Keating <geoffk@apple.com>
591 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
592 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
593 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
594 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
595 than replicating condition above.
596 * config.host (i[34567]86-*-*): Always use driver-i386.o.
598 * config/darwin.h (LINK_SYSROOT_SPEC): New.
599 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
600 the linker by default.
602 2006-09-22 Mike Stump <mrs@apple.com>
604 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
607 2006-09-22 Richard Guenther <rguenther@suse.de>
610 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
611 sort of stack variables stable.
613 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
616 * explow.c (force_reg): Set REG_POINTER flag according to
619 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
621 PR tree-optimization/28888
622 * tree-if-conv.c (combine_blocks): Rewritten.
623 * tree-cfg.c (tree_verify_flow_info): Check that edges with
624 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
626 2006-09-22 Jakub Jelinek <jakub@redhat.com>
628 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
631 2006-09-21 Richard Sandiford <richard@codesourcery.com>
633 * varasm.c (copy_constant): Fix reversed gcc_assert check.
635 2006-09-21 Janis Johnson <janis187@us.ibm.com>
637 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
639 2006-09-21 Roger Sayle <roger@eyesopen.com>
642 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
643 dw_fde_current_label, to be the start of the function, i.e. the same
644 value as dw_fde_begin.
646 2006-09-20 Richard Sandiford <richard@codesourcery.com>
648 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
649 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
650 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
651 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
652 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
653 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
654 (abs<mode>2, neg<mode>2): Likewise.
655 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
656 (*mips_abs_ps): New define_insn.
658 2006-09-20 Josh Conner <jconner@apple.com>
661 * calls.c (expand_call): Allow reuse of structure return stack
664 2006-09-20 Paul Brook <paul@codesourcery.com>
666 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
669 2006-09-20 Janis Johnson <janis187@us.ibm.com>
671 * doc/extend.texi (Decimal Float): Update for latest draft TR,
672 clean up terminology.
674 2006-09-20 Steve Ellcey <sje@cup.hp.com>
677 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
678 with tablejumps in them.
680 2006-09-20 Jakub Jelinek <jakub@redhat.com>
683 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
684 wrap it into TARGET_EXPR.
686 2006-09-20 Eric Christopher <echristo@apple.com>
688 * config/i386/i386.c (x86_fisttp): Remove.
689 * config/i386/i386.h (x86_fisttp): Ditto.
690 (TARGET_FISTTP): Ditto.
692 2006-09-19 Eric Christopher <echristo@apple.com>
694 * doc/tm.texi (OBJC_JBLEN): Describe.
695 * config/i386/darwin.h (OBJC_JBLEN): Define.
696 * config/rs6000/darwin.h: Ditto.
698 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
700 PR rtl-optimization/21299
701 * reload1.c (reload): Purge invalid ASMs in the final pass.
703 2006-09-19 Steve Ellcey <sje@cup.hp.com>
706 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
707 pointers as legitimate constants.
709 2006-09-19 Paul Brook <paul@codesourcery.com>
712 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
714 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
716 PR tree-optimization/28887
717 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
718 component parts from the reference.
719 (gather_memory_references_ref): Record the reference without the
720 nonaddressable component parts.
722 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
725 * c-opts.c (c_common_handle_option): Ignore the -std options
726 if the input language is assembly.
728 2006-09-17 Ira Rosen <irar@il.ibm.com>
731 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
733 (ptr_ptr_may_alias_p): Likewise.
734 (record_record_differ_p): New function.
735 (base_object_differ_p): Call record_record_differ_p.
737 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
740 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
741 away for the expr argument.
743 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
746 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
747 before using it for dumping after vectorizing loops.
749 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
750 Jack Howarth <howarth@bromo.med.uc.edu>
753 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
754 skip on error_mark_node.
755 (rs6000_darwin64_record_arg_recurse): Likewise.
757 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
759 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
760 * doc/rtl.texi: Remove related documentation.
762 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
764 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
767 2006-09-15 Jim Wilson <wilson@specifix.com>
769 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
770 Handle symbol offsets same as they are handled in ia64_expand_move
773 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
775 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
776 Add forgotten parameter to the fprintf call.
778 2006-09-15 Steve Ellcey <sje@cup.hp.com>
780 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
782 2006-09-15 Uros Bizjak <uros@kss-loka.si>
784 * doc/contrib.texi: Add my entry.
786 2006-09-15 Nick Clifton <nickc@redhat.com>
788 * doc/md.texi (Processor pipeline description): Fix typo in
789 example of how to use the absence_set directive and reword the
790 description to make it slightly easier to read.
792 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
794 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
795 * loop-doloop.c (doloop_optimize): Use it to limit costs of
796 expanding the number of iterations.
797 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
799 * cfgrtl.c (emit_insn_at_entry): New function.
800 * rtl.h (emit_insn_at_entry): Declare it.
801 * integrate.c (emit_initial_value_sets): Use it.
803 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
805 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
807 (struct loop_work and related VEC declarations): Delete.
808 (bfin_dump_loops): Print out new member bad.
809 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
810 (bfin_scan_loop): Don't recurse.
811 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
812 loops. No longer need to update outer loops if the current one is
813 found bad. Move some validitiy checks to bfin_discover_loop.
814 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
815 but changed not to check for nesting. Also changed to use the new bad
817 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
818 time. Use bitmap based test to discover loop nesting.
820 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
822 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
825 2006-09-14 Richard Guenther <rguenther@suse.de>
826 Kazu Hirata <kazu@codesourcery.com>
829 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
830 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
831 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
832 with TARGET_FUNCTION_VALUE.
834 2006-09-14 Anatoly Sokolov <aesok@post.ru>
837 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
839 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
841 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
844 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
847 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
850 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
852 * basic_block.h (bb_has_eh_pred): Fix comment.
854 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
856 * flow.c (calculate_global_regs_live): Invalidate eh registers
857 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
858 (propagate_block): Handle eh registers as if they were set at basic
860 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
862 * global.c (global_conflicts): Make eh registers to conflict with
863 pseudos live at basic block begin.
864 * basic_block.h (bb_has_eh_pred): New function.
866 2006-09-13 Richard Sandiford <richard@codesourcery.com>
868 PR rtl-optimization/28982
869 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
870 index of a PRE_MODIFY or POST_MODIFY address.
871 * reload1.c (inc_for_reload): Use find_replacement on the original
872 base and index registers.
874 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
876 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
877 for -Os. Update __m128 alignment requirement.
879 2006-09-13 Jan Hubicka <jh@suse.cz>
881 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
883 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
885 PR rtl-optimization/28243
886 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
887 the insn to which the note was originally attached.
889 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
890 Roger Sayle <roger@eyesopen.com>
892 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
893 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
894 on platforms that don't use dwarf for debug info.
896 2006-09-12 Jason Merrill <jason@redhat.com>
899 * builtins.c (expand_builtin_setjmp_receiver): Clobber
900 hard_frame_pointer_rtx after using it to update the frame pointer.
902 2006-09-12 Roger Sayle <roger@eyesopen.com>
904 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
905 (TARGET_ASM_CLOSE_PAREN): Likewise.
906 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
907 (TARGET_ASM_CLOSE_PAREN): Likewise.
909 2006-09-12 Roger Sayle <roger@eyesopen.com>
912 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
913 frame information for frames larger than 512 Kbytes on Tru64 when
914 using the native assembler.
916 2006-09-12 Roger Sayle <roger@eyesopen.com>
920 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
921 and symbols. Instead use the implementation from cse.c's hash_rtx.
923 2006-09-12 Jan Hubicka <jh@suse.cz>
925 PR rtl-optimization/28071
926 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
927 (vect_transform_loop): Likewise.
928 * tree-vectorizer.c (new_loop_vec_info): Likewise.
929 (new_loop_vec_info): Likewise.
930 (destroy_loop_vec_info): Likewise.
931 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
932 (create_stmt_ann): Likewise.
933 (create_tree_ann): Rename to ...
934 (create_tree_common_ann): ... this one; allocate only the common part
936 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
937 (get_value_handle): Likewise.
938 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
940 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
941 (vinfo_for_stmt): Use stmt annotations.
942 * tree-flow.h (tree_ann_common_t): New type.
943 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
944 (tree_ann, get_tree_ann, create_tree_ann): New.
945 * tree-flow-inline.h (get_function_ann): Do more type checking.
946 (stmt_ann): Likewise.
947 (tree_ann): Rename to ...
948 (tree_common_ann): ... this one; return ony common_ann
949 (get_tree_ann): Rename to ...
950 (tree_common_ann): This one; return only common_ann.
951 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
954 2006-09-11 Geoffrey Keating <geoffk@apple.com>
956 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
959 * dwarf2out.c (dwarf_file_data): New.
960 (enum dw_val_class): Add dw_val_class_file.
961 (struct dw_val_struct): Add val_file.
962 (file_table): Change to a hash table.
963 (file_table_emitted): Delete.
964 (file_table_last_lookup_index): Delete.
966 (last_emitted_file): New.
967 (lookup_filename): Change prototype to return a struct dwarf_file_data.
968 (init_file_table): Delete.
969 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
970 (AT_addr): Add comment.
974 (print_die): Handle dw_val_class_file.
975 (print_dwarf_line_table): Update for new file table structure.
976 (attr_checksum): Do checksum a filename.
977 (same_dw_val_p, same_attr_p): Do compare a filename.
978 (size_of_die): Handle dw_val_class_file.
979 (value_format): Likewise.
980 (output_die): Likewise. Also, call maybe_emit_file here.
981 (struct file_info): Constify filenames. Make file_idx a pointer
982 to a struct dwarf_file_data.
983 (struct dir_info): Constify directory names. Remove 'used' field.
984 (struct file_name_acquire_data): New.
985 (file_name_acquire): New.
986 (output_file_names): Modify to handle new file data structures.
987 (add_src_coords_attributes): Use add_AT_file.
988 (add_call_src_coords_attributes): Likewise.
989 (dwarf2out_imported_module_or_decl): Likewise.
990 (gen_subprogram_die): Modify for new file data structures.
991 (gen_variable_die): Likewise.
992 (file_table_eq): New.
993 (file_table_hash): New.
994 (file_table_last_lookup): New.
995 (lookup_filename): Rewrite to handle new file data structures.
996 (maybe_emit_file): Rewrite to handle new file data structures.
997 (dwarf2out_source_line): Always call lookup_filename and
999 (dwarf2out_init): Create file_table here.
1000 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1001 (file_table_relative_p): New.
1002 (dwarf2out_finish): Change detection of relative filenames
1003 to work with new file data structures. Move output_line_info call
1004 after debug_info output.
1006 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1011 * config/i386/i386.c (override_options): Always default to 16
1012 byte stack boundary.
1014 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1017 * var-tracking.c (dump_dataflow_set): Start dumping at
1019 (clobber_variable_part): Kill only the variable part in
1020 registers holding it, leaving other variables alone.
1022 2006-09-11 Josh Triplett <josh@freedesktop.org>
1024 * doc/extend.texi (Other Builtins): Actually use the macro
1025 argument in the documentation example for
1026 __builtin_types_compatible_p.
1028 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1030 PR rtl-optimization/28726
1031 * sched-deps.c (sched_analyze_reg): New function extracted from...
1032 (sched_analyze_1): ...here. Call it to analyze references to
1033 registers. Treat again writes to a stack register as writing to the
1035 (sched_analyze_2): ...and here. Call it to analyze references to
1036 registers. Treat again reads of a stack register as reading the
1039 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1040 David Edelsohn <edelsohn@gnu.org>
1043 * config/rs6000/spe.md (frob_df_di): Remove %H.
1044 (frob_di_df): Remove %H. Change evmergelo to mr.
1045 (frob_di_df_2): Remove %H. Change evldd to two loads.
1047 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1049 * doc/cpp.texi: Fix names of charset options.
1051 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1054 * config/i386/i386.c (override_options): Use 128-bit
1055 stack boundary always for 64bits.
1057 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1059 PR rtl-optimization/28636
1060 * combine.c (force_to_mode): Test for side-effects before
1061 substituting by zero.
1062 (simplify_shift_const): Likewise for zero or other constants.
1064 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1067 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1070 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1073 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1074 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1075 returned by mode_for_size, rather than the mode of src itself,
1076 to choose between 32-bit and 64-bit patterns.
1077 (mips_mem_fits_mode_p): New function.
1078 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1079 that the size of the source matches the size of the destination.
1080 (mov_<store>l, mov_<store>r): Likewise.
1082 2006-09-10 Eric Christopher <echristo@apple.com>
1084 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1087 2006-09-09 Eric Christopher <echristo@apple.com>
1090 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1093 2006-09-09 Roger Sayle <roger@eyesopen.com>
1094 Nicolas Setton <setton@adacore.com>
1096 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1098 2006-09-10 Andreas Schwab <schwab@suse.de>
1100 * config/m68k/m68k.md (bungt_rev): New pattern.
1102 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1103 Dale Johannesen <dalej@apple.com>
1106 * regclass.c (struct reg_pref): Update documentation.
1107 (regclass): Set prefclass to NO_REGS if memory is the best option.
1108 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1110 2006-09-08 Eric Christopher <echristo@apple.com>
1112 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1113 * config/t-slibgcc-darwin: Support x86_64 multilib.
1114 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1115 Return 1 for x86_64-darwin.
1116 * config/i386/t-darwin: Add m64 multilib.
1117 (LIB2_SIDITI_CONV_FUNCS): Use.
1118 (LIB2FUNCS_EXTRA): Ditto.
1119 * config/i386/darwin.h: Support x86_64.
1120 * config/i386/i386.c (override_options): Turn on flag_pic
1121 for x86_64-darwin. Disable flag_omit_pointer.
1122 (get_pc_thunk_name): Assert !TARGET_64BIT.
1123 (legitimate_address_p): Disable machopic addressing for
1125 (legitimize_pic_address): Ditto.
1126 (ix86_expand_move): Ditto.
1127 (ix86_expand_call): Ditto.
1128 (machopic_output_stub): Ditto.
1129 * config/darwin.c (machopic_select_section): Support literal16.
1130 (machopic_select_rtx_section): Ditto.
1131 * config/darwin-sections.def: Ditto.
1132 * config/darwin-64.c: New.
1134 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1137 * c-tree.h (struct c_arg_info): Add pending_sizes.
1138 * c-parser.c (c_parser_parms_declarator,
1139 c_parser_parms_list_declarator): Initialize pending_sizes.
1140 * c-decl.c (get_parm_info): Initialize pending_sizes.
1141 (get_parm_info): Set pending_sizes.
1142 (grokdeclarator): Call put_pending_sizes for parameters for
1143 function definition only.
1145 2006-09-07 Jason Merrill <jason@redhat.com>
1148 * varasm.c (output_constant): Only strip actual no-op conversions.
1151 * config/i386/i386.c (override_options): Use 128-bit
1152 stack boundary if -msse.
1154 2006-09-07 Eric Christopher <echristo@apple.com>
1156 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1158 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1161 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1163 * dwarf2out.c: Remove strange characters from comment above
1164 dwarf2out_frame_debug_expr.
1166 2006-09-07 Eric Christopher <echristo@apple.com>
1168 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1169 * config/darwin.h: ... to here.
1171 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1173 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1175 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1176 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1178 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1179 TARGET_PARTIAL_FLAG_REG_STALL.
1180 (*ashldi3_cconly_rex64): Likewise.
1181 (*ashlsi3_cmp): Likewise.
1182 (*ashlsi3_cconly): Likewise.
1183 (*ashlsi3_cmp_zext): Likewise.
1184 (*ashlhi3_cmp): Likewise.
1185 (*ashlhi3_cconly): Likewise.
1186 (*ashlqi3_cmp): Likewise.
1187 (*ashlqi3_cconly): Likewise.
1188 (*ashrdi3_cmp_rex64): Likewise.
1189 (*ashrdi3_cconly_rex64): Likewise.
1190 (*ashrsi3_cmp): Likewise.
1191 (*ashrsi3_cconly): Likewise.
1192 (*ashrsi3_cmp_zext): Likewise.
1193 (*ashrhi3_cmp): Likewise.
1194 (*ashrhi3_cconly): Likewise.
1195 (*ashrqi3_cmp): Likewise.
1196 (*ashrqi3_cconly): Likewise.
1197 (*lshrdi3_cmp_rex64): Likewise.
1198 (*lshrdi3_cconly_rex64): Likewise.
1199 (*lshrsi3_cmp): Likewise.
1200 (*lshrsi3_cconly): Likewise.
1201 (*lshrsi3_cmp_zext): Likewise.
1202 (*lshrhi3_cmp): Likewise.
1203 (*lshrhi3_cconly): Likewise.
1204 (*lshrqi2_cmp): Likewise.
1205 (*lshrqi2_cconly): Likewise.
1207 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1210 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1211 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1212 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1213 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1214 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1215 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1216 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1217 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1218 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1219 implement only CC setting effects of shift instructions.
1221 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1223 * doc/contrib.texi: Add myself.
1225 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1228 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1229 was set by the user.
1231 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1234 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1235 (divsi_inv_m1): Use them.
1236 (UNSPEC_DIV_INV_TABLE): New constant.
1238 2006-09-06 James E Wilson <wilson@specifix.com>
1241 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1242 then call count_or_remove_death_notes.
1244 2006-09-06 Jason Merrill <jason@redhat.com>
1247 * tree-inline.c (copy_result_decl_to_var): New fn.
1248 (declare_return_variable): Use it. Call declare_inline_vars here.
1249 (expand_call_inline): Not here.
1251 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1253 * doc/contrib.texi: Update my entry.
1255 2006-09-06 Nick Clifton <nickc@redhat.com>
1257 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1259 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1262 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1263 (canonicalize_induction_variables): Likewise.
1264 (tree_unroll_loops_completely): Likewise.
1265 (tree_ssa_prefetch_arrays): Likewise.
1266 (remove_empty_loops): Likewise.
1267 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1268 TODO_cleanup_cfg instead of directly calling
1269 cleanup_tree_cfg_loop.
1270 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1272 (tree_unroll_loops_completely): Likewise.
1273 (remove_empty_loops): Likewise.
1274 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1275 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1276 of tree_ssa_unswitch_loops.
1277 (tree_ssa_loop_ivcanon): Use the return value of
1278 canonicalize_induction_variables.
1279 (tree_ssa_empty_loop): Use the return value of
1281 (tree_complete_unroll): Use the return value of
1282 tree_unroll_loops_completely.
1283 (tree_ssa_loop_prefetch): Use the return value of
1284 tree_ssa_prefetch_arrays.
1285 * passes.c (execute_todo): Before Cleanup CFG, set
1286 updating_used_alone and after cleanup CFG, call
1287 recalculate_used_alone.
1289 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1292 * tree-vect-transform.c (vectorizable_condition): Move the check
1293 for the type after the check for simple condition.
1295 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1296 Kaz Kojima <kkojima@gcc.gnu.org>
1299 * mode-switching.c (optimize_mode_switching): Make the destination
1300 block of an abnormal edge have no anticipatable mode. Don't
1301 insert mode switching code at the end of the source block of
1304 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1306 PR rtl-optimization/26847
1307 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1308 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1309 (simplify_plus_minus): Count n_constants while filling ops. Replace
1310 qsort with insertion sort. Before going through the array to simplify
1311 pairs, sort it. Delay early exit until after the first sort, exiting
1312 only if no swaps occurred. Simplify pairs in reversed order, without
1313 special-casing the first iteration. Pack ops after simplifying pairs.
1315 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1317 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1318 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1319 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1320 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1322 2006-09-05 Richard Guenther <rguenther@suse.de>
1324 PR tree-optimization/28900
1325 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1326 compound conditional before creating COND_EXPR condition.
1328 2006-09-05 Richard Guenther <rguenther@suse.de>
1330 PR tree-optimization/28905
1331 * tree-vrp.c (fix_equivalence_set): Manually implement
1332 !value_ranges_intersect_p to also handle symbolic ranges.
1334 2006-09-05 Richard Guenther <rguenther@suse.de>
1337 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1340 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1342 PR rtl-optimization/27616
1343 * cse.c (table_size): New static variable.
1344 (new_basic_block): Initialize it to 0.
1345 (remove_from_table): Decrement it.
1346 (insert): Increment it.
1347 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1348 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1349 fold_rtx_mem_1 if under the cap.
1350 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1351 the lookup of the equivalent expression and test for equality of the
1352 first operand of the equivalent expression before in turn looking up
1353 an equivalent constant for the second operand.
1355 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1358 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1359 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1360 pointer, instead of assuming it is possible to derive the
1361 correct args size from a call insn.
1363 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1366 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1367 (fold_builtin_mempcpy): Rename to...
1368 (fold_builtin_memory_op): ... this. Optimize one element copy
1370 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1372 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1373 (expand_builtin_memcpy, expand_builtin_mempcpy,
1374 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1375 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1376 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1377 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1379 2006-09-01 DJ Delorie <dj@redhat.com>
1381 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1382 (stzx_16): Likewise.
1383 ("stzx_24_<mode>"): Likewise.
1384 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1385 ("cmp<mode>_op"): New.
1386 (cmp<mode>): Change to expander; just save operands.
1388 (b<code>): Change to expander, emit compare here.
1389 (s<code>_op): Change to use split and expander.
1390 (s<code>_24_op): Likewise.
1391 (s<code>_<mode>): New.
1392 (s<code>_<mode>_24): New.
1393 (movqicc_<code>_<mode): New.
1394 (movhicc_<code>_<mode>): New.
1397 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1398 (m32c_pend_compare): New.
1399 (m32c_unpend_compare): New.
1400 (m32c_expand_scc): New.
1401 (m32c_expand_movcc): Emit the compare also.
1402 * config/m32c/predicates.md (mra_nopp_operand): New.
1404 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1405 Richard Guenther <rguenther@suse.de>
1406 Adam Nemet <anemet@caviumnetworks.com>
1409 * builtins.c (get_pointer_alignment): Handle more forms
1410 of base addresses that can be used to derive more precise
1411 information about alignment.
1413 2006-09-01 Jason Merrill <jason@redhat.com>
1416 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1419 * gimplify.c (voidify_wrapper_expr): Handle null type.
1421 2006-09-01 Josh Conner <jconner@apple.com>
1424 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1425 (execute_return_slot_opt): Use it.
1427 2006-08-31 Josh Conner <jconner@apple.com>
1430 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1431 returning aggregates.
1433 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1435 PR tree-optimization/28839
1436 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1437 blocks in that phi arguments appear.
1439 2006-08-31 Roger Sayle <roger@eyesopen.com>
1442 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1443 NULL, otherwise use an advance_loc4 to adjust relative to the
1445 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1446 (dwarf2out_switch_text_section): Reset the current label to avoid
1447 using advance_loc4 over section boundaries.
1449 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1452 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1453 r12 + SYMBOLIC_CONST.
1455 2006-08-30 Richard Guenther <rguenther@suse.de>
1457 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1459 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1461 PR rtl-optimization/27735
1462 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1463 Add new argument to keep track of whether an irreducible region
1464 was affected. All callers changed.
1465 (fix_irreducible_loops): Removed.
1466 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1467 flags were invalidated.
1469 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1471 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1472 instead of SF operands.
1473 (*fop_df_comm_sse): Likewise.
1474 (*fop_df_comm_i387): Likewise.
1475 (*fop_df_1_mixed): Likewise.
1476 (*fop_df_1_sse): Likewise.
1478 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1479 J"orn Rennecke <joern.rennecke@st.com>
1481 PR tree-optimization/17506
1482 * tree-ssa.c (warn_uninit): If warning about a location outside of
1483 the current function, note where the variable was declared.
1485 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1487 PR tree-optimization/28411
1488 * double-int.c (double_int_div): Use double_int_divmod.
1489 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1490 double_int_mod, double_int_smod, double_int_umod): New functions.
1491 * double-int.h (double_int_divmod, double_int_sdivmod,
1492 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1494 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1496 (get_computation_aff, get_computation_cost_at): Handle double_int
1497 return type of constant_multiple_of.
1499 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1502 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1503 an implicit conversion.
1505 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1507 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1509 2006-08-27 Roger Sayle <roger@eyesopen.com>
1511 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1514 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1516 * config/i386/crtfastmath.c: Fix a comment typo.
1518 2006-08-26 Roger Sayle <roger@eyesopen.com>
1520 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1521 temporary visit flags on CASE_LABEL_EXPRs.
1522 * c-common.c (match_case_to_enum): Add function comment. Avoid
1523 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1524 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1525 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1526 a constant, only warn if that constant value isn't handled.
1528 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1531 * input.h (restore_input_file_stack): Declare.
1532 (INPUT_FILE_STACK_BITS): Define.
1533 * toplev.c (fs_p, input_file_stack_history,
1534 input_file_stack_restored, restore_input_file_stack): New.
1535 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1536 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1537 (pop_srcloc): Don't free old state of stack.
1539 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1542 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1543 (PowerPC Type Attributes): New.
1545 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1547 * config/xtensa/xtensa.c (function_arg_boundary): New.
1548 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1550 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1551 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1553 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1556 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1559 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1561 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1562 (verify_local_live_at_start): Likewise.
1564 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1567 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1568 omp_add_variable): Treat sizes as variable whenever not
1571 2006-08-26 Richard Guenther <rguenther@suse.de>
1574 * fold-const.c (fold_binary): Fold temporary to correct
1575 type before constructing new comparison.
1577 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1580 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1581 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1583 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1586 * c-decl.c (start_function): Don't try to process prototype
1587 information from old declaration that isn't a function.
1589 2006-08-25 Jan Hubicka <jh@suse.cz>
1592 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1594 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1597 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1600 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1602 PR tree-optimization/16876
1603 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1604 exit if PARM doesn't match VALUE.
1606 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1608 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1609 literal_prefix directive.
1610 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1611 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1612 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1614 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1617 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1618 predicate to general_operand. Add 0->y and I->r alternatives.
1620 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1622 * doc/tm.texi: Fix a typo.
1623 * predict.c: Fix comment typos.
1625 2006-08-25 Nick Clifton <nickc@redhat.com>
1627 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1628 assertions of "cpu" and "machine".
1630 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1633 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1634 the access through a base which has an alias set of 0 cannot
1637 2006-08-24 Bill Wendling <wendling@apple.com>
1639 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1641 2006-08-24 Jan Hubicka <jh@suse.cz>
1643 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1645 2006-08-24 Jan Hubicka <jh@suse.cz>
1648 * cgraph.c: Fix comments.
1649 (cgraph_varpool_mark_needed_node): Mark only variables not already
1651 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1652 (cgraph_varpool_assembled_nodes_queue): New static variable.
1653 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1654 (cgraph_varpool_output_debug_info): New function.
1655 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1656 * Makefile.in: Add gt-cgraphunit.h
1658 2006-08-24 Jan Hubicka <jh@suse.cz>
1660 * predict.c (probability_reliable_p): New predicate.
1661 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1662 (predict_loops): Do not predict loop exit with less than 2%
1664 * basic-block.h (edge_probability_reliable_p,
1665 br_prob_note_reliable_p): Declare.
1666 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1667 prediction when static predictor is not reliable.
1668 * rs6000.c (output_cbranch): Likewise.
1670 2006-08-23 Stuart Hastings <stuart@apple.com>
1673 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1674 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1676 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1679 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1680 complex values, nor for generic vector values.
1682 2006-08-22 Richard Guenther <rguenther@suse.de>
1685 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1686 parameter. Convert arguments to arithmetic expression to the
1688 (analyze_scalar_evolution_1): Adjust caller.
1690 2006-08-22 Jan Hubicka <jh@suse.cz>
1692 Patch by Paolo Bonzini
1693 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1696 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1698 PR tree-optimization/28003
1699 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1700 before grouping aliases.
1702 2006-08-22 Roger Sayle <roger@eyesopen.com>
1704 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1705 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1707 2006-08-21 Jason Merrill <jason@redhat.com>
1710 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1711 wrapper. Loop to handle nested wrappers.
1712 (gimplify_bind_expr): Remove temp parameter.
1713 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1714 and STATEMENT_LIST on the rhs.
1715 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1716 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1717 (gimplify_target_expr): Remove special BIND_EXPR handling.
1719 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1721 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1724 2006-08-21 Olivier Hainque <hainque@adacore.com>
1726 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1727 Arrange for the temporary captures of components overlapping the lhs
1728 to happen before the lhs is possibly cleared.
1730 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1732 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1733 necessary places to pass the correct "number of registers" values
1736 2006-08-20 Jan Hubicka <jh@suse.cz>
1738 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1739 (create_name_tags): Instead of quadratic checking use hashtable.
1740 * bitmap.h: Include hashtab.h.
1741 (bitmap_hash): Declare.
1742 * bitmap.c (bitmap_hash): New function.
1744 2006-08-20 Jan Hubicka <jh@suse.cz>
1746 PR rtl-optimization/28071
1747 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1749 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1750 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1751 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1752 cgraph_decide_inlining_incrementally): Update use of
1753 cgraph_check_inline_limits.
1754 * cgraph.c (edge_hash, edge_eq): New function.
1755 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1756 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1757 cgraph_remove_node): Maintain call site hash.
1758 * cgraph.h (struct cgraph_node): Add call_site_hash.
1759 (cgraph_set_call_stmt): New function.
1761 2006-08-20 Jan Hubicka <jh@suse.cz>
1763 PR rtl-optimization/28071
1764 * reload1.c (reg_has_output_reload): Turn into regset.
1765 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1766 choose_reload_regs, emit_reload_insns): Update to new
1767 reg_has_output_reload.
1769 2006-08-20 Jan Hubicka <jh@suse.cz>
1772 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1773 function body sizes.
1774 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1776 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1779 * tree.c (handle_dll_attribute): Return early if not a
1780 var or function decl.
1782 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1785 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1786 alignment of SPE vector types.
1788 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1790 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1792 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1795 * cgraph.h (struct cgraph_node): Remove externally_visible
1797 * cgraphunit.c (process_function_and_variable_attributes): Set
1798 local.externally_visible rather than externally_visible.
1801 * c-common.c (handle_externally_visible_attribute): First look
1802 at TREE_CODE and only if it is function or var decl, check for
1803 non-public objects. Don't warn for DECL_EXTERNAL.
1804 * cgraphunit.c (process_function_and_variable_attributes): Warn
1805 if externally_visible attribute is used on non-public object.
1807 2006-08-17 Jan Hubicka <jh@suse.cz>
1809 PR tree-optimization/27865
1810 * reload1.c (forget_marked_reloads): New function.
1811 (forget_old_reloads_1): When data are passed, just mark the registers
1813 (reload_as_needed): Use the new mechanizm.
1815 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1818 * reload.h (reg_equiv_alt_mem_list): New declaration.
1819 * reload1.c (reg_equiv_alt_mem_list): New definition.
1820 (reload): Initialize it and release it.
1821 (delete_output_reload): Use it.
1822 * reload.c (push_reg_equiv_alt_mem): New function.
1823 (find_reloads_toplev): Call it.
1824 (find_reloads_address, find_reloads_address_1): Likewise.
1825 (find_reloads_subreg_address): Likewise.
1827 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1829 PR rtl-optimization/28489
1830 * sched-ebb.c (begin_schedule_ready): Create basic block
1832 (advance_target_bb): Skip empty blocks.
1833 * haifa-sched.c (bb_note): Make global.
1834 * sched-int.h (bb_note): Add prototype.
1836 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1838 PR tree-optimization/27865
1839 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1841 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1842 fold_used_pointer, pointer_used_p): New functions.
1843 (analyze_scalar_evolution_1): Use fold_used_pointer.
1844 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1845 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1848 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1851 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1852 or the INTEGER_CST. Fail on a CALL_EXPR.
1853 (fold_offsetof): Pass new argument to fold_offsetof_1.
1854 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1855 operand into an INDIRECT_REF.
1856 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1858 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1860 PR gcov/profile/26570
1861 * value-prof.c (static_values): Removed.
1862 (tree_find_values_to_profile): Do not set static_values.
1863 (find_values_to_profile): Do not free static_values.
1864 * profile.c (instrument_values): Do not free the values.
1865 (branch_prob): Free the values.
1867 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1869 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1871 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1874 * c-typeck.c (build_component_ref): Combine qualifiers of
1875 structure or union and field.
1877 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1879 PR rtl-optimization/28071
1880 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1881 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1882 * tree-into-ssa.c (struct dom_dfsnum): New.
1883 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1885 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1886 compute_global_livein.
1887 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1888 in phi nodes in the correct blocks.
1890 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1892 PR tree-optimization/28364
1893 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1895 (fold_affine_expr): New function.
1896 (may_eliminate_iv): Use fold_affine_expr.
1898 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1901 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1904 2006-08-16 Mike Stump <mrs@apple.com>
1906 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1907 * doc/cppopts.texi (-MD): Likewise.
1909 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1912 * c-common.c (handle_weak_attribute): Ignore and warn if
1913 not a FUNCTION_ or VAR_DECL.
1915 2006-07-15 Mike Stump <mrs@apple.com>
1918 * c-parser.c (c_parser_typeof_specifier): Don't use
1919 c_finish_expr_stmt, open code desired semantics instead.
1921 2006-08-15 Nick Clifton <nickc@redhat.com>
1923 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1924 fragment to tmake_file only if threads are enabled.
1925 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1926 * config/i386/t-gthr-win32: New file. ... here.
1928 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1931 * c-parser.c (c_parser_compound_statement_nostart): Reset
1932 parser->error after each statement.
1934 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1937 * omp-low.c (lower_omp_parallel): Convert t to
1938 receiver_decl's type.
1939 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1940 source before comparison.
1943 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1944 to itype in assignment to oldival2.
1946 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1950 * c-typeck.c (build_compound_expr): If the second expression
1951 is an error mark, then just return an error mark instead of
1952 creating a COMPOUND_EXPR.
1954 2006-07-14 Mike Stump <mrs@apple.com>
1956 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1958 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1960 * c-decl.c, var-tracking.c: Fix comment typos.
1962 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1964 PR rtl-optimization/28634
1965 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1966 for floating-point modes unless flag_unsafe_math_optimizations.
1968 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1969 Andrew Pinski <pinskia@physics.uc.edu>
1972 * tree.c (build_array_type): Unify array types with
1973 unspecified index_type.
1974 * c-decl.c (grokdeclarator): Make sure we do not modify a
1975 unified incomplete array type.
1976 * c-typeck.c (store_init_value): Create distinct type before
1977 filling in the index type in an initializer from a compound
1980 * c-decl.c (grokdeclarator): Remove code where we copy the
1983 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1985 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1986 into account for TODO_dump_cgraph.
1987 (TODO_update_ssa_no_phi): Likewise.
1988 (TODO_update_ssa_full_phi): Likewise.
1989 (TODO_update_ssa_only_virtuals): Likewise.
1990 (TODO_remove_unused_locals): Likewise.
1991 (TODO_set_props): Likewise.
1992 (TODO_update_stmt_usage): Likewise.
1994 2006-08-13 Dirk Mueller <dmueller@suse.de>
1996 * c-common.c (strict_aliasing_warning): Fix formatting.
1998 2006-08-13 Matthias Klose <doko@debian.org>
2000 * doc/invoke.texi: Fix spelling errors.
2002 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2004 PR rtl-optimization/23454
2005 * reorg.c (relax_delay_slots): Update comment.
2007 2006-08-11 Richard Guenther <rguenther@suse.de>
2010 * simplify-rtx.c (simplify_const_relational_operation):
2011 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2014 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2016 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2017 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2019 2006-08-10 Paul Brook <paul@codesourcery.com>
2021 * final.c (final_scan_insn): Clear current_insn_predicate before
2022 outputting inline asm.
2024 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2026 PR tree-optimization/26197
2027 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2028 get_ref_base_and_extent and overlap_subvar to add only relevant
2029 subvars as may-aliases.
2030 (add_may_alias_for_new_tag): New function, factored out of
2032 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2033 with additional argument.
2034 * tree-flow.h (new_type_alias): Takes additional argument.
2036 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2038 * gcov.c (no_data_file): New flag.
2039 (read_count_file): Set it if data file not present. Assume counts
2041 (output_lines): Don't name the data file, if there wasn't one.
2043 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2045 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2046 (rs6000_generate_compare): Tweak comments.
2047 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2049 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2051 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2052 (var_debug_decl): New function.
2053 (var_reg_set): Follow debug decl link. Add location even if
2054 reg is already known to hold some other variable.
2055 (var_mem_set): Follow debug decl link.
2056 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2057 decl link. Delete other known locations of the variable part
2059 (var_reg_delete, var_mem_delete): Delete other known locations
2060 of the variable part if requested.
2061 (same_variable_part_p): New function.
2062 (add_stores): Select MO_COPY when appropriate.
2063 (vt_initialize): Handle it.
2064 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2065 known locations for MO_SET and MO_CLOBBER.
2066 (find_variable_location_part): New function.
2067 (set_variable_part, delete_variable_part): Use it.
2068 (clobber_variable_part): New function.
2069 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2072 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2074 PR tree-optimization/26969
2075 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2076 with an empty list of PHIs.
2078 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2082 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2085 2006-08-06 Andreas Schwab <schwab@suse.de>
2087 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2088 string. Whitespace and comment fixup.
2090 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2093 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2097 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2100 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2102 2006-08-04 Jan Hubicka <jh@suse.cz>
2106 * reload.c (push_reload): Patch out the mismatching instruction;
2108 (find_reload): Bail out if the instruction was patched out.
2110 2006-08-04 Jan Hubicka <jh@suse.cz>
2112 PR tree-optimization/24888
2113 * tree-inline.c (expand_call_inline): Do not re-record variables.
2114 (declare_inline_vars): Add variable to unexpanded_var_list.
2116 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2117 Roger Sayle <roger@eyesopen.com>
2119 PR rtl-optimization/26244
2120 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2121 inner_const are negative or greater than or equal to the bitsize of
2122 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2123 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2124 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2125 CONST0_RTX (mode) when the new shift count is greater than or equal to
2126 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2129 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2131 * tree-cfg.c: Fix a comment typo.
2133 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2136 * varasm.c (output_constant): Give the front end another chance to
2137 expand constants, after stripping NOPs.
2139 2006-08-03 Jan Hubicka <jh@suse.cz>
2141 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2144 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2146 PR tree-optimization/27770
2147 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2148 declaration removed (moved to tree-flow.h).
2149 (vect_can_force_dr_alignment_p): Likewise.
2150 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2151 (moved from tree-vectorizer.h).
2152 (vect_can_force_dr_alignment_p): Likewise.
2153 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2154 from outside the vectorizer - in particular from cgraph stage.
2155 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2156 the alignment of global arrays when -fsection-anchors is enabled.
2157 * cgraphunit.c (cgraph_increase_alignment): New function.
2158 (cgraph_optimize): Call cgraph_increase_alignment.
2160 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2163 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2164 not reload a SPE symbol_ref into a lo_sum address.
2166 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2169 * dwarf2out.c (prune_unused_types_prune): Move call to
2170 prune_unused_types_update_strings to cover the parent DIE also.
2172 2006-08-02 Jan Hubicka <jh@suse.cz>
2174 PR gcov/profile/28480
2175 * tree-cfg.c (change_bb_for_stmt): New function.
2176 (tree_merge_blocks, tree_split_blocks): Use it.
2178 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2184 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2185 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2186 (cgraph_optimize): Likewise.
2188 2006-08-01 Stuart Hastings <stuart@apple.com>
2190 * rtl.h (UINTVAL) New.
2191 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2192 * testsuite/gcc.dg/20060801-1.c: New.
2194 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2197 * c-typeck.c (build_external_type): Mark used enum types.
2198 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2200 (gen_subprogram_die): Whitespace fix.
2202 2006-08-01 Jan Hubicka <jh@suse.cz>
2204 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2205 bitmap when not needed.
2206 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2209 2006-08-01 Dirk Mueller <dmueller@suse.de>
2211 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2213 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2215 * Makefile.in: Revert part of previous patch:
2216 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2219 2006-07-30 Eric Christopher <echristo@apple.com>
2222 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2223 (PowerPC Variable Attributes): New section.
2225 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2227 PR target/28126 (partial fix)
2228 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2230 2006-07-28 Jan Hubicka <jh@suse.cz>
2232 PR rtl-optimization/28071
2233 * cfgrtl.c (rtl_delete_block): Free regsets.
2234 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2236 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2238 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2239 and variables used in dependencies.
2241 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2243 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2244 %fs for -mcmodel=kernel.
2245 (stack_tls_protect_test_di): Likewise.
2247 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2249 * Makefile.in: Use mkinstalldirs.
2251 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2254 * opts-common.c (prune_options): Skip joined switches.
2256 2006-07-27 Jan Hubicka <jh@suse.cz>
2258 PR rtl-optimization/28071
2259 * cselib.c (cselib_process_insn): Don't remove useless values too
2260 often for very large hashtables.
2262 2006-07-27 Jan Hubicka <jh@suse.cz>
2264 PR rtl-optimization/28071
2265 * global.c (greg_obstack): New obstack.
2266 (allocate_bb_info): Use it.
2267 (free_bb_info): Likewise.
2268 (modify_reg_pav): Likewise.
2270 2006-07-27 Roger Sayle <roger@eyesopen.com>
2272 * builtins.c (fold_fixed_mathfn): When long and long long are the
2273 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2274 functions to their lceil*, lfloor*, lround* and lrint* forms.
2276 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2279 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2281 (rev_branch_insn): Likewise.
2283 2006-07-27 Jan Hubicka <jh@suse.cz>
2285 PR rtl-optimization/28071
2286 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2287 (reg_set_in_bb, max_reg_computed): New static variables.
2288 (regmove_optimize): Free the new array.
2289 (fixup_match_1): Update call of reg_is_remote_constant_p.
2291 2006-07-26 Jan Hubicka <jh@suse.cz>
2293 PR tree-optimization/27882
2294 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2296 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2298 (cgraph_analyze_compilation_unit): Likewise.
2299 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2300 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2301 (cgraph_early_inlinine): Make order garbage collected.
2302 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2304 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2306 * dbxout.c (output_types_sort): Add a comment.
2307 (output_used_types): Free the VEC.
2309 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2311 * function.c (reorder_fix_fragments): Delete.
2312 (reorder_blocks): Don't call it.
2313 (reorder_blocks_1): Put all subblocks under the origin block.
2315 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2317 PR rtl-optimization/27907
2318 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2321 2006-07-25 Roger Sayle <roger@eyesopen.com>
2324 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2325 bar(x) check that bar's result type can represent all the values of T.
2327 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2329 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2331 2006-07-25 Nick Clifton <nickc@redhat.com>
2333 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2334 size_lookup[] array.
2335 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2336 (ggc_pch_count_object): Likewise.
2337 (ggc_pch_alloc_object): Likewise.
2338 (ggc_pch_write_object): Likewise.
2339 (init_ggc): Do not attempt to initialize entries in the
2340 size_lookup[] array for objects whose size is greater than than
2341 the length of the array.
2343 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2345 * dbxout.c (output_used_types_helper): Push queued types
2347 (output_types_sort): New.
2348 (output_used_types): Collect used types on a VEC and sort them
2351 2006-07-24 Richard Guenther <rguenther@suse.de>
2354 * cgraph.c (cgraph_remove_node): Do not check if dumps
2356 * cgraphunit.c (cgraph_optimize): Likewise.
2358 2006-07-24 Jan Hubicka <jh@suse.cz>
2360 PR rtl-optimization/28071
2361 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2362 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2363 splitting before first stmt.
2365 2006-07-24 Jan Hubicka <jh@suse.cz>
2367 PR rtl-optimization/28071
2368 * ipa-inline.c (update_caller_keys): Remove edges that
2369 are no longer inline candidates.
2371 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2374 * dbxout.c (output_used_types_helper, output_used_types): New.
2375 (dbxout_symbol): Call output_used_types.
2377 2006-07-23 Jan Hubicka <jh@suse.cz>
2381 * cgraph.c (cgraph_varpool_nodes): Export.
2382 (decide_is_variable_needed): Ignored "used" attribute in
2383 unit-at-a-time mode.
2384 * cgraph.h (cgraph_varpool_nodes): Declare.
2385 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2386 unit-at-a-time mode.
2388 2006-07-23 Roger Sayle <roger@eyesopen.com>
2391 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2392 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2393 the __gthrw form of thr_keycreate.
2394 (__gthread_key_delete): Silence the unused argument warning.
2396 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2399 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2400 Cache the last found '\0' marker to avoid quadratic behavior.
2402 2006-07-23 Jan Hubicka <jh@suse.cz>
2404 * i386.md (subsi_3_zext): Fix output template.
2406 2006-07-21 Mike Stump <mrs@apple.com>
2408 * doc/invoke.texi (C++ Dialect Options): Note that
2409 -fvisibility-inlines-hidden doesn't affect explicitly
2410 instantiationed inline methods.
2412 2006-07-20 Roger Sayle <roger@eyesopen.com>
2414 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2415 if the target assembler is GNU binutils' gas.
2416 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2417 whether to pass GNU gas or native as command line options.
2419 2006-07-20 Jason Merrill <jason@redhat.com>
2421 * tree.c (remove_attribute): New fn.
2422 * tree.h: Declare it.
2424 2006-07-20 Paul Brook <paul@codesourcery.com>
2427 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2428 they are invalidated by this instruction.
2430 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2433 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2435 2006-07-20 Eric Christopher <echristo@apple.com>
2438 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2440 2006-07-19 Eric Christopher <echristo@apple.com>
2442 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2443 Rewrite dependencies for libgcc_s.1.dylib.
2445 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2447 * except.c (duplicate_eh_regions_1): Clear next_peer.
2449 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2451 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2452 -mlongcall does not guarantee all calls will be long.
2453 * doc/extend.texi (long_call/short_call): Document that longcall
2454 does not guarantee a long call will be used.
2455 (longcall/shortcall): Likewise.
2457 2006-07-18 Roger Sayle <roger@eyesopen.com>
2460 * expmed.c (expand_shift): Additionally check that the shift_cost
2461 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2462 before implementing a LSHIFT_EXPR as a sequence of additions.
2463 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2464 middle-end that DImode shifts need to be synthesized by expand.
2466 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2469 * tree-ssa-operands.c (access_can_touch_variable): Update
2471 Return true if ALIAS is .GLOBAL_VAR.
2473 2006-07-18 David Daney <ddaney@avtrex.com>
2475 * gcc.c (display_help): Fix typo in help text.
2477 2006-07-18 Olivier Hainque <hainque@adacore.com>
2479 * tree.h (categorize_ctor_elements): Adjust prototype and add
2480 descriptive comment, both in accordance with the interface change
2482 * varasm.c (constructor_static_from_elts_p): New function.
2483 Whether a constructor node is a valid static constant initializer
2484 if all its elements are.
2485 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2486 * output.h: Declare it.
2487 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2488 is a valid constant initializer instead of computing the number of
2489 non-constant elements. Use constructor_static_from_elts_p for this
2490 purpose. Replace the head comment with an indication that this is a
2491 helper for categorize_ctor_elements.
2492 (categorize_ctor_elements): Same interface change as for the _1
2493 helper. Former head comment from this helper moved here, adjusted to
2494 account for the interface changes.
2495 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2496 (all_zeros_p): Likewise.
2497 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2498 static versions of the constructor from the categorize_ctor_elements
2499 return value instead of the formerly computed number of non-constant
2502 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2504 * configure: Regenerate.
2505 * Makefile.in (build_libsubdir): New configure substitution
2506 (build_libobjdir): New variable.
2507 (BUILD_LIBIBERTY): Use it.
2509 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2512 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2514 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2517 * c-common.c (handle_weakref_attribute): Ignore attribute in
2518 the same conditions the alias attribute is ignored.
2520 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2522 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2523 (dbxout_begin_prologue): Increment scope_labelno.
2525 2006-07-17 Richard Henderson <rth@redhat.com>
2528 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2531 2006-07-17 Roger Sayle <roger@eyesopen.com>
2532 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2534 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2535 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2536 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2537 functions such as sbrk, write, etc.. Add function prototypes.
2538 Convert function declarations from K&R to ISO C. Cast pointers
2539 to "long" and "unsigned long" instead of "int" and "unsigned int".
2540 Convert tokens following #endif into comments.
2542 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2544 * invoke.texi: Remove mention of f77; Reformat table for
2545 inline parameter options correctly; mention that -malign-double
2546 is default on x86-64 targets.
2548 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2550 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2551 (convert_affine_scev, chrec_convert_aggressive): Use
2552 avoid_arithmetics_in_type_p. Do not check for the subtypes
2555 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2558 * optabs.c (expand_doubleword_shift): Wrap the call to
2559 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2561 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2564 * optabs.c (expand_binop): Pass next_methods rather than methods
2565 to expand_doubleword_shift.
2567 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2570 * tree.h (dump_addr): Declare.
2571 * print-tree.c (dump_addr): New function.
2572 (print_node_brief, print_node): Use it.
2573 * print-rtl.c (print_rtx): Likewise.
2574 * common.opt (-fdump-noaddr): New option.
2575 * doc/invoke.texi (-fdump-noaddr): Document.
2576 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2577 (ve_info_hash): Likewise.
2579 2006-07-13 Andrew Haley <aph@redhat.com>
2581 PR tree-optimization/19505
2582 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2583 edge leaving this block, make sure that the destination of this
2584 block has only one predecessor.
2586 2006-07-17 Richard Guenther <rguenther@suse.de>
2588 PR tree-optimization/28238
2589 * tree-inline.c (copy_bb): Check if we produced valid
2590 gimple copying and substituting a stmt. If not, gimplify
2593 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2595 * optabs.c (maybe_encapsulate_block): New function extracted from...
2596 (emit_libcall_block): ...here. Invoke it on the block of insns to
2597 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2598 (emit_no_conflict_block): Likewise.
2600 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2602 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2604 2006-07-15 Roger Sayle <roger@eyesopen.com>
2606 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2607 a new NOP_EXPR case of the switch statement.
2609 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2612 * stor-layout.c (place_field): Take the bit field with
2613 an excessive size into account in the ms-bitfiled case.
2616 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2617 the previous bit field.
2619 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2622 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2624 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2626 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2627 signal frames correctly even when the signal was installed with
2630 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2632 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2633 (dbxout_function_end): Use local label LFBB. Remove hook
2635 (dbxout_source_line): Use local label LFBB.
2636 (dbxout_block): Likewise.
2637 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2638 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2639 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2640 and DBX_OUTPUT_NFUN.
2642 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2644 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2646 2006-07-13 Jan Hubicka <jh@suse.cz>
2648 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2650 * output.h (align_variable): Declare.
2651 * varasm.c (align_variable): Export.
2652 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2653 when basic block changed.
2655 2006-07-13 Nick Clifton <nickc@redhat.com>
2657 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2658 walking the LOG_LINKS chain.
2660 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2662 * doc/invoke.texi (C++ Dialect Options): Explain difference
2663 between -fvisibility-inlines-hidden and setting hidden
2664 visibility explicitly.
2666 2006-07-12 Eric Christopher <echristo@apple.com>
2668 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2669 (stmp-lipo): Depend on libgcc.a.
2671 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2673 * tree.c: Fix a comment typo.
2675 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2677 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2679 (umulhisi3_r): Likewise.
2681 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2684 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2685 x < 19, vs wchar_t support.
2687 2006-07-12 Nick Clifton <nickc@redhat.com>
2689 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2690 instead of -isa=sh4.
2692 2006-07-12 Mike Stump <mrs@apple.com>
2694 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2696 2006-07-10 Eric Christopher <echristo@apple.com>
2698 * config/t-slibgcc-darwin: Rewrite.
2700 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2703 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2706 2006-07-08 Matthias Klose <doko@debian.org>
2708 * doc/sourcebuild.texi: Fix typo.
2710 2006-07-07 Mike Stump <mrs@apple.com>
2712 * toplev.c (process_options): Don't give -ffunction-sections may
2713 affect debugging warning for Mach-O.
2715 2006-07-07 James E Wilson <wilson@specifix.com>
2717 * config/mips/mips.md (cpu): Add sb1a.
2718 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2719 addition to sb1. Adjust comments to clarify SB-1A differences from
2721 (ir_sb1a_load): New. Modify bypasses to use it.
2722 (ir_sb1a_simple_alu): Likewise.
2723 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2724 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2725 (mips_issue_rate): Add PROCESSOR_SB1A.
2726 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2727 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2728 (TARGET_SB1): Add PROCESSOR_SB1A check.
2729 (TUNE_SB1): Likewise.
2731 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2732 * config/mips/mips.c (mips_store_data_bypass_p): New.
2733 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2734 store_data_bypass_p.
2736 2006-07-08 Paul Brook <paul@codesourcery.com>
2739 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2741 2006-07-07 Richard Guenther <rguenther@suse.de>
2744 * tree.h (build_one_cst): Declare.
2745 * tree.c (build_one_cst): New function.
2746 * tree-ssa-math-opts.c (get_constant_one): Remove.
2747 (insert_reciprocals): Use build_one_cst.
2748 * fold-const.c (fold_plusminus_mult): Likewise.
2750 2006-07-07 Roger Sayle <roger@eyesopen.com>
2752 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2753 * cfgloopanal.c (dump_graph): Likewise.
2754 * dojump.c (discard_pending_stack_adjust): Likewise.
2755 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2757 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2758 * function.c (finalize_block_changes): Likewise.
2759 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2760 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2761 * rtl.c (dump_rtx_statistics): Likewise.
2762 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2764 * varray.c (dump_varray_statistics): Likewise.
2765 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2766 decode_decimal64, encode_decimal128, decode_decimal128,
2767 decimal_real_to_decimal): Likewise.
2769 2006-07-07 Richard Guenther <rguenther@suse.de>
2771 PR tree-optimization/28187
2772 * tree-vrp.c (vrp_operand_equal_p): New function.
2773 (vrp_bitmap_equal_p): Likewise.
2774 (update_value_range): Use them to compare old and new
2777 2006-07-06 Roger Sayle <roger@eyesopen.com>
2779 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2780 a default case to switch statement to silence compiler warnings.
2782 2006-07-06 Roger Sayle <roger@eyesopen.com>
2785 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2786 the configured assembler supports the x87's ffreep mnemonic.
2787 * configure: Regenerate.
2788 * config.in: Regenerate.
2790 * config/i386/i386.c (output_387_ffreep): New function.
2791 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2792 (output_387_reg_move): Likewise.
2794 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2796 Port to hosts whose 'sort' and 'tail' implementations
2797 treat operands with leading '+' as file names, as POSIX
2798 has required since 2001. However, make sure the code still
2799 works on pre-POSIX hosts.
2800 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2801 which says you should use "tail -c +N" rather than "tail +Nc".
2802 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2804 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2806 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2809 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2812 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2813 PRE_{INC,DEC} of TFmode.
2815 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2816 Alan Modra <amodra@bigpond.net.au>
2819 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2822 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2825 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2826 Remove duplicate gtu.
2828 2006-07-05 Jason Merrill <jason@redhat.com>
2832 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2833 * c-common.c (handle_packed_attribute): So don't copy it here.
2834 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2836 2006-07-05 Mike Stump <mrs@apple.com>
2838 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2840 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2843 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2845 2006-07-05 Richard Guenther <rguenther@suse.de>
2848 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2849 TARGET_SSE2 targets if using SSE math.
2850 (*absdf2_1): Likewise.
2852 2006-07-05 Richard Guenther <rguenther@suse.de>
2854 PR tree-optimization/28162
2855 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2856 make sure to convert the operands to the correct type.
2858 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2860 PR tree-optimization/28218
2862 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2863 to calculate and free the dominator information.
2865 2006-07-04 Peter O'Gorman <peter@pogma.com>
2867 * mklibgcc.in: chmod 644 before ranlib during install.
2869 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2870 J"orn Rennecke <joern.rennecke@st.com>
2872 * configure.ac (.eh_frame data check): Use diff -b.
2874 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2877 * Makefile.in (BUILD_RTL): Add build/vec.o.
2878 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2879 (build/genextract): Delete.
2880 (build/genautomata): Likewise.
2882 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2885 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2886 128-bit IBM long doubles for ABI_V4.
2888 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2890 * tree.c (range_in_array_bounds_p): New predicate.
2891 * tree.h (range_in_array_bounds_p): Declare it.
2892 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2893 return a less conservative answer.
2894 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2895 and flag 'is_group'.
2896 (IS_ELEMENT_FOR_GROUP): New macro.
2897 (FOR_EACH_ACTUAL_CHILD): Likewise.
2898 (next_child_for_group): New helper function.
2899 (can_completely_scalarize_p): Take into account groups.
2900 (sra_hash_tree): Handle RANGE_EXPR.
2901 (sra_elt_eq): Likewise.
2902 (lookup_element): Be prepared for handling groups.
2903 (is_valid_const_index): Delete.
2904 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2905 instead of is_valid_const_index.
2906 <ARRAY_RANGE_REF>: New case.
2907 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2908 is_valid_const_index.
2909 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2910 (scan_dump): Dump info for groups too.
2911 (decide_instantiation_1): Likewise.
2912 (decide_block_copy): Assert that the element is not a group.
2913 Propagate decision to groups.
2914 (generate_one_element_ref): Handle RANGE_EXPR.
2915 (mark_no_warning): Iterate over actual childs.
2916 (generate_copy_inout): Likewise.
2917 (generate_element_copy): Likewise.
2918 (generate_element_zero): Likewise.
2919 (generate_element_init_1): Likewise.
2920 (dump_sra_elt_name): Handle RANGE_EXPR.
2922 2006-07-03 Roger Sayle <roger@eyesopen.com>
2924 PR tree-optimization/26251
2925 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2926 (thread_block): When optimizing for size refuse to thread jumps
2927 that would require duplication of blocks other than redirection
2930 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2932 * configure.ac: Fix thinko in previous check-in.
2933 * configure: Regenerate.
2935 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2938 * configure.ac (for lang...): Simplify nesting of conditionals.
2939 Test subdir_requires for non-enabled languages. Move processing
2940 of lang_opt_files and lang_tree_fiels below that test.
2941 * configure: Regenerate.
2942 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2944 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2946 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2948 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2950 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2953 2006-06-29 Jason Merrill <jason@redhat.com>
2960 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2961 * c-common.c (c_determine_visibility): Handle it here.
2962 * c-decl.c (finish_decl): Call c_determine_visibility for
2964 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2966 * varasm.c (default_assemble_visibility): Likewise.
2967 * c-common.c (handle_visibility_attribute): Complain about trying
2968 to give visibility to an already defined class, or trying to change
2969 declared visibility. Always attach the attribute.
2974 * attribs.c (decl_attributes): Ignore type-in-place attributes
2975 once the type has been defined.
2977 2006-06-29 Roger Sayle <roger@eyesopen.com>
2980 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2981 to indicate the cpplib has issued an error message for us.
2983 2006-06-29 Asher Langton <langton2@llnl.gov>
2986 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2987 insert a label at the end of an function under Mach-O.
2989 2006-06-29 Eric Christopher <echristo@apple.com>
2990 Evan Cheng <evan.cheng@apple.com>
2992 * predicates.md (vector_all_ones_operand): New.
2993 (nonimmediate_or_sse_const_operand): Ditto.
2994 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2995 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2996 (standard_sse_mode_p): Ditto.
2997 (standard_sse_constant_p): Add case for -1 vector.
2998 (ix86_expand_vector_move): Try to use.
2999 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3000 Call standard_sse_constant_opcode.
3001 (*movv4sf_internal): Ditto.
3002 (*movv2df_internal): Ditto.
3004 2006-06-29 Roger Sayle <roger@eyesopen.com>
3006 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3007 of XEXP to extract the operands of a MATCH_CODE rtx.
3009 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3011 * tree.c (tree_size): Do not waste tail padding in
3012 struct tree_string and make the size be the same as
3013 build_string will generate.
3015 2006-06-28 Jason Merrill <jason@redhat.com>
3018 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3019 may_aliases already in the tag's annotations to the bitmap.
3021 2006-06-28 Roger Sayle <roger@eyesopen.com>
3023 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3025 2006-06-28 Roger Sayle <roger@eyesopen.com>
3027 * genpreds.c (generate_switch_p): New function.
3028 (add_mode_tests): Push the new mode test down inside an AND expr
3029 if this allows the switch-suitable MATCH_CODE to be near the root.
3030 (write_match_code_switch): New function to write a MATCH_CODE as
3032 (write_predicate_stmts): New function to write a predicate RTX
3033 expression as a sequence of statements.
3034 (write_one_predicate_function): Use write_predicate_stmts.
3035 (write_tm_constrs_h): Likewise.
3037 2006-06-26 Fred Fish <fnf@specifix.com>
3039 * config/mips/t-sb1: New file.
3040 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3043 2006-06-26 DJ Delorie <dj@redhat.com>
3045 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3047 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3048 Jayant Sonar <jayants@kpitcummins.com>
3049 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3051 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3052 (subsi3, subsi3_1, subsi3_2): New.
3053 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3054 * config/m32c/mov.md (SI mov peephole): New.
3055 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3056 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3058 2006-06-26 Olivier Hainque <hainque@adacore.com>
3060 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3061 a CALL_EXPR target function declaration.
3063 2006-06-26 Richard Guenther <rguenther@suse.de>
3065 * tree.c (build_string): Do not waste tail padding in
3068 2006-06-26 Richard Guenther <rguenther@suse.de>
3070 * ggc-page.c (init_ggc): Add missing element to size_lookup
3074 2006-06-23 Richard Guenther <rguenther@suse.de>
3076 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3077 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3078 alignment requests instead. Add verification code.
3079 Add struct tree_function_decl and struct tree_binfo size to
3080 extra_order_size_table. Add missing element to size_lookup
3083 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3086 * fold-const.c (const_binop): Be prepared for self returning zero.
3087 Simplify code handling complex values.
3089 2006-06-24 Olivier Hainque <hainque@adacore.com>
3091 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3092 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3095 2006-06-24 Olivier Hainque <hainque@adacore.com>
3097 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3098 ARRAY_REF, so have the callback called for the low bound expression.
3100 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3102 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3103 * c-typeck.c (c_common_type): Disallow operations on decimal float
3104 types and other float types.
3105 * convert.c (convert_to_real): Don't ignore conversions involving
3106 decimal float types.
3108 2006-06-23 Olivier Hainque <hainque@adacore.com>
3110 * tree.c (max_int_size_in_bytes): New function, inspired from
3111 code in function.c:assign_temp.
3112 * tree.h (max_int_size_in_bytes): Declare.
3113 * function.c (assign_temp): Use it.
3114 * gimplify.c (create_tmp_var): Relax the assertions on the type
3115 properties, not mandating constant size any more.
3116 (force_constant_size): New static function.
3117 (gimple_add_tmp_var): Use it, forcing variable size to a
3118 constant upper bound if it is not constant on entry.
3120 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3123 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3124 for initialization and setting of one_only flag to ...
3125 (i386_pe_encode_section_info): ...here.
3126 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3127 Recheck that the symbol has not been defined.
3129 2006-06-23 Richard Guenther <rguenther@suse.de>
3131 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3132 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3133 alignment requests instead. Add verification code.
3134 Add struct tree_function_decl and struct tree_binfo size to
3135 extra_order_size_table. Add missing element to size_lookup
3138 2006-06-22 Roger Sayle <roger@eyesopen.com>
3139 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3142 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3143 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3145 2006-06-23 Ben Elliston <bje@au.ibm.com>
3147 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3148 negate dn -- manipulate it directly.
3150 2006-06-22 Roger Sayle <roger@eyesopen.com>
3151 Steven Bosscher <stevenb.gcc@gmail.com>
3154 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3155 generated by gen_move_insn to add REG_LABEL notes if necessary.
3157 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3159 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3160 (leaf_entry): Remove use of MIN_ESA.
3162 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3164 PR rtl-optimization/28121
3165 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3168 2006-06-21 DJ Delorie <dj@redhat.com>
3170 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3172 (mulhisi3_r): Likewise.
3174 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3177 * coverage.c (coverage_counter_alloc): Leave the index type
3179 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3182 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3184 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3185 section from the "Options for Code Generation Conventions".
3187 2006-06-21 Richard Henderson <rth@redhat.com>
3191 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3193 (global_symbolic_operand): Allow weak symbols, even if local_p.
3195 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3197 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3198 (find_interesting_uses_address): Punt if above function returns true.
3200 2006-06-21 Richard Guenther <rguenther@suse.de>
3202 * configure: Regenerated.
3204 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3206 * config/mips/mips.c (function_arg): Where one part of a
3207 complex argument is in registers and the other part in the stack,
3208 return a REG not a PARALLEL.
3210 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3212 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3213 when cross-compiling. Do not substitute libstdcxx_incdir.
3214 * configure: Regenerated.
3216 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3218 * varasm.c (mergeable_string_section): Check for embedded NULs and
3219 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3220 rather than TREE_STRING_LENGTH bytes.
3222 2006-06-21 Richard Guenther <rguenther@suse.de>
3224 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3225 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3228 2006-06-21 Richrad Guenther <rguenther@suse.de>
3230 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3231 Limit iteration over the dominators.
3233 2006-06-20 Roger Sayle <roger@eyesopen.com>
3235 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3236 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3238 2006-06-20 Richard Guenther <rguenther@suse.de>
3239 Michael Matz <matz@suse.de>
3241 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3243 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3244 * et-forest.h (et_free_pools): Prototype new function.
3245 * et-forest.c (et_free_tree_force): Free parent occurrence.
3246 (et_free_pools): New function.
3247 * dominance.c (free_dominance_info): Free et-forest alloc
3250 2006-06-20 Roger Sayle <roger@eyesopen.com>
3252 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3253 integer modes, attempt to directly construct an integer constant.
3255 * fold-const.c (native_encode_vector): Determine the size of each
3256 element from the vector type instead of the first vector element.
3258 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3259 if all of its elements/components are constant.
3260 (build_constructor_from_list): Likewise.
3262 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3264 PR tree-optimization/27331
3265 * tree-data-ref.c (free_data_ref): New function.
3266 (create_data_ref): Fail if the data reference has unknown access
3268 (free_data_refs): Use free_data_ref.
3270 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3273 * tree-inline.c (setup_one_parameter): Strip useless
3274 type conversion before adding it to the IR.
3275 (declare_return_variable): Likewise.
3277 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3280 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3282 2006-06-19 Mike Stump <mrs@apple.com>
3284 * tree.c (variably_modified_type_p): VM arguments don't make the
3287 2006-06-19 Richard Guenther <rguenther@suse.de>
3289 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3290 type conversions after folding.
3292 2006-06-19 Richard Guenther <rguenther@suse.de>
3294 * ggc-page.c (extra_order_size_tab): Add entries with
3295 size of struct function and basic_block.
3296 (size_lookup): Extend to cover sizes up to 511.
3297 (ggc_alloc_stat): Adjust user.
3298 (ggc_pch_count_object): Likewise.
3299 (ggc_pch_alloc_object): Likewise.
3300 (ggc_pch_write_object): Likewise.
3302 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3304 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3305 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3308 2006-06-19 Denis Chertykov <denisc@overta.ru>
3310 * config/avr/libgcc.S : Correct my wrong previous commit.
3312 2006-06-19 Roger Sayle <roger@eyesopen.com>
3315 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3316 have stripped a SUBREG from the shift count, so we may need to
3317 convert_to_mode back to the type's mode before calling make_tree.
3318 Use new_amount instead of amount to avoid expanding a tree twice.
3320 2006-06-19 Richard Guenther <rguenther@suse.de>
3323 * fold-const.c (operand_equal_p): Check if the argument types
3324 have the same precision before stripping NOPs.
3326 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3328 Fix PR tree-optimization/27341
3329 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3331 * tree-complex.c (pass_lower_complex): Update SMT usage.
3333 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3335 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3336 Add a new alternative to the constraint strings. Add move of
3337 operand 1 to 3 to the splitter definition.
3338 ("doloop_si_long"): Second contraint alternative removed.
3340 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3342 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3343 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3345 (AVR_HAVE_MOVW) Define.
3346 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3347 (ASM_SPEC): Add avr25.
3348 (LINK_SPEC): Add avr25.
3349 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3350 (base_arch_s): Add new member 'have_movw_lpmx'.
3351 (avr_arch_types): Init 'have_movw_lpmx'.
3352 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3353 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3354 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3355 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3356 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3358 (avr_file_start): Do not output '.arh' derective.
3359 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3360 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3361 * config/avr/avr.md (mcu_enhanced): Delete.
3362 (mcu_have_movw): Define.
3363 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3364 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3365 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3366 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3367 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3368 attiny861 and at86rf401 devices.
3370 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3372 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3375 2006-06-17 Karl Berry <karl@gnu.org>
3377 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3378 doc/gccint.texi, doc/install.texi (@dircategory): Use
3379 "Software development" instead of "Programming", following
3380 the Free Software Directory.
3382 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3384 * config/i386/i386.c (legitimate_tls_address)
3385 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3386 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3387 (*tls_dynamic_gnu2_combine_64): Likewise.
3389 2006-06-16 Richard Guenther <rguenther@suse.de>
3392 * fold-const.c (negate_expr_p): Do not introduce undefined
3393 overflow in negating INTEGER_CSTs.
3394 (fold_negate_expr): Rename from negate_expr. Revert last
3395 change for folding BIT_NOT_EXPR. Change semantics to
3396 return NULL_TREE for non-simplified negations. Do not
3397 strip type conversions and unify type handling.
3398 (negate_expr): New function, wrap around fold_negate_expr
3399 but ensure building a tree always. Strip type conversions
3400 here, fold to result type.
3401 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3403 2006-06-16 Roger Sayle <roger@eyesopen.com>
3406 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3407 that (would) return their results in stack registers.
3409 2006-06-16 Michael Matz <matz@suse.de>
3410 Richard Guenther <rguenther@suse.de>
3412 * fold-const.c (fold_truthop): Only return new tree node if
3413 we canonicalized something.
3415 2006-06-16 Richard Guenther <rguenther@suse.de>
3417 * function.h (enum function_frequency): Move declaration
3418 out of struct function.
3419 (struct function): Move bool fields and the enum to the bitfield
3420 section. Reorder elements to avoid padding. Remove unused
3421 fields left over from the RTL inliner removal.
3422 * function.c (free_after_compilation): Do not zero removed fields.
3423 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3424 (ipa-type-escape.o): Likewise.
3426 2006-06-16 Richard Guenther <rguenther@suse.de>
3428 * cgraph.h (struct cgraph_local_info): Turn bool elements
3430 (struct cgraph_node): Likewise.
3431 (struct cgraph_varpool_node): Likewise.
3433 2006-06-15 Richard Guenther <rguenther@suse.de>
3435 * fold-const.c (fold_truth_not_expr): Rename from
3436 invert_truthvalue. Give it fold_* semantics to avoid
3438 (invert_truthvalue): New function. Wrapper around
3439 fold_truth_not_expr.
3440 (optimize_minmax_comparison): Avoid creating garbage.
3441 (fold_unary): Use fold_truth_not_expr for folding
3443 (fold_ternary): Replace uses of invert_truthvalue with
3444 fold_truth_not_expr where applicable.
3445 * tree.h (fold_truth_not_expr): Prototype.
3447 2006-06-16 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/27781
3450 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3451 * ipa-pure-const.c (target.h): Include.
3452 (analyze_function): Do not analyze functions that do not
3455 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3458 * tree-dfa.c (referenced_vars_dup_list): Remove.
3459 (find_referenced_vars): Remove assert.
3460 (referenced_var_check_and_insert): Replace dup list with assert.
3461 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3462 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3464 2006-06-15 Richard Guenther <rguenther@suse.de>
3466 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3467 extra unused identifiers if not dumping.
3468 (create_variable_info_for): Likewise.
3470 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3472 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3473 (derive_constant_upper_bound): Derive more precise upper bound in
3474 common cases. Return type changed to double_int.
3475 (record_estimate): Reflect the changed return type of
3476 derive_constant_upper_bound.
3477 * double-int.c (double_int_zext, double_int_sext): Fix.
3479 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3481 * configure.ac (CFLAGS): Get them from the toplevel or from the
3482 configure invocation.
3483 * configure: Regenerate.
3484 * Makefile.in (CFLAGS): Substitute value provided by configure.
3486 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3489 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3490 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3491 rather than calling add_stmt on it.
3492 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3494 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3497 * reload1.c (reload): Remove registers returned by update_eliminables
3498 from used_spill_regs.
3500 2006-06-13 DJ Delorie <dj@redhat.com>
3502 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3504 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3506 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3507 html__strip_dir, html__mkdir_p. Enhance install-html target.
3508 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3509 * configure: Regenerate.
3511 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3513 * fold-const.c (fold_cond_expr_with_comparison): Check for
3514 Objective-C++ as language in deciding COND_EXPR transformation.
3516 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3519 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3520 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3521 * config/sh/lib1funcs.h (SL, SL1): Define.
3522 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3523 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3524 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3525 (OBJS_Os_4_200): New variable.
3526 ($(T)libgcc-Os-4-200.a): Use it.
3527 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3528 when dividing 1 and/or by 0.
3530 2006-06-13 Roger Sayle <roger@eyesopen.com>
3532 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3533 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3534 * configure: Regenerate.
3536 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3538 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3539 for real instruction.
3541 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3544 * haifa-sched.c (check_cfg): Handle special case.
3546 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3549 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3550 Add debug_info parameter. Chain the vars to the BLOCK instead
3551 of the BIND_EXPR if debug info are requested for them.
3552 (pop_gimplify_context): Adjust for above change.
3553 (gimple_add_tmp_var): Likewise.
3554 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3556 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3557 (convert_local_reference): Likewise.
3558 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3559 (finalize_nesting_tree_1): Request that debug info be emitted
3560 for debug_var_chain.
3562 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3564 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3565 for PR target/27863.
3567 2006-06-13 Richard Guenther <rguenther@suse.de>
3570 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3572 2006-06-13 Richard Guenther <rguenther@suse.de>
3574 PR tree-optimization/27830
3575 * tree-inline.c (copy_body_r): For copying the operand
3576 of an ADDR_EXPR make sure to fold &* afterwards.
3578 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3580 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3581 lvalues in the fb_none case with side-effects.
3583 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3585 * tree-flow.h: Remove the prototype for
3586 compute_phi_arg_on_exit.
3587 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3588 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3591 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3593 * builtins.c (expand_builtin_return_addr): Only use
3594 frame_pointer_rtx when count == 0 and we are expanding
3595 __builtin_return_address.
3597 2006-06-12 Fred Fish <fnf@specifix.com>
3599 * config/mips/mips.c (mips_file_start): Create special section
3600 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3602 2006-06-11 Eric Christopher <echristo@apple.com>
3605 * stor-layout.c (place_field): Remove check for
3606 remaining_in_alignment when aligning at the end of a run.
3608 2006-06-11 Eric Christopher <echristo@apple.com>
3611 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3614 2006-06-11 Roger Sayle <roger@eyesopen.com>
3617 Revert incorrect fix for PR target/27158
3618 2006-05-08 Roger Sayle <roger@eyesopen.com>
3619 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3620 of a reg_equiv_constant if the result is a legitimate constant.
3622 2006-06-11 Roger Sayle <roger@eyesopen.com>
3625 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3626 extract a CONST_VECTOR element and interpret it as an integer.
3627 (vspltis_constant): Use const_vector_elt_as_int instead of the
3628 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3629 * config/rs6000/predicates.md (easy_vector_const): Consider
3630 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3632 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3635 * stor-layout.c (update_alignment_for_field): Don't add extra
3636 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3639 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3641 * config/mips/t-rtems: Add EL/EB multilib variants.
3643 2006-06-09 Mike Stump <mrs@apple.com>
3645 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3647 2006-06-09 David Daney <ddaney@avtrex.com>
3649 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3651 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3653 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3655 2006-06-09 Richard Guenther <rguenther@suse.de>
3657 PR tree-optimization/26998
3658 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3659 of signed types, only TYPE_MIN_VALUE is special, but for both,
3660 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3661 in this case, as is -fwrapv.
3663 2006-06-08 Mike Stump <mrs@apple.com>
3666 * config/darwin.c (darwin_asm_output_anchor): Disable
3667 -fsection-anchors on darwin for now.
3668 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3669 * rs6000/rs6000.c (optimization_options): Likewise.
3671 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3674 * config/i386/i386.c (classify_argument): Skip fields with invalid
3677 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3679 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3680 (cse_insn): Likewise for the stack_pointer_rtx.
3682 2006-06-08 Roger Sayle <roger@eyesopen.com>
3684 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3685 conditions from floating point comparisons.
3687 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3690 * expmed.c (struct alg_hash_entry): Fix type of field T
3691 to match synth_mult argument.
3692 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3694 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3697 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3700 2006-06-08 Richard Guenther <rguenther@suse.de>
3703 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3704 only, if overflow is defined and not trapping.
3705 (negate_expr): Likewise.
3707 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3709 PR tree-optimization/27872
3710 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3711 flag on the new exit edge of the unrolled loop.
3713 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3715 PR rtl-optimization/26449
3716 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3718 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3721 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3722 referenced_variables with matching DECL_UID's.
3723 (find_referenced_vars): Make sure duplicate list is empty to start.
3724 (referenced_var_p): Remove.
3725 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3726 Check if var is in the list, and add if needed. Update the duplicate
3727 list if a different var is in the list with the same DECL_UID.
3728 (add_referenced_var): Call routine to check and insert.
3729 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3730 * tree-flow.h (referenced_vars_dup_list): External declaration.
3732 2006-06-07 Fred Fish <fnf@specifix.com>
3734 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3737 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3740 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3741 the imaginary and real parts of a clobbered register.
3742 Emit insn to set the imaginary part.
3744 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3746 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3747 in lieu of unwind-dw2-fde.c.
3749 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3751 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3753 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3756 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3757 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3758 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3759 V4SImode temporaries and operations instead.
3761 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3763 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3766 2006-06-06 Mike Stump <mrs@apple.com>
3768 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3769 installing during build.
3771 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3773 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3775 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3776 * config/ia64/ia64.c (params.h): New header.
3777 (ia64_optimization_options): New function to adjust parameters.
3778 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3779 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3780 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3782 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3784 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3786 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3789 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3791 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3792 Victor Kaplansky <victork@il.ibm.com>
3794 PR tree-optimization/26360
3795 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3798 2006-06-04 Roger Sayle <roger@eyesopen.com>
3799 Andrew Pinski <pinskia@physics.uc.edu>
3802 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3803 for LABEL_DECL before calling DECL_WEAK.
3806 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3807 LABEL_DECL and PARM_DECL.
3809 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3813 * c-decl.c (grokdeclarator): Disallow variably modified types at
3814 file scope. Avoid marking shared array type of constant size as
3817 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3820 * c-common.c (fold_offsetof_1): Handle static members.
3822 2006-06-04 Eric Christopher <echristo@apple.com>
3824 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3825 (debug_rli): Output value for remaining_in_alignment.
3826 (update_alignment_for_field): Unconditionalize
3827 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3828 extra alignment code.
3829 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3830 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3831 * tree.h (record_layout_info_s): Remove prev_packed.
3832 * doc/extend.texi (ms_struct): Add documentation of format.
3834 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3836 * tree.h: Declare folding_initializer.
3837 * builtins.c (fold_builtin_constant_p): Give definite answer
3838 if folding inside an initializer.
3839 * fold-const.c: Define folding_initializer.
3840 (START_FOLD_INIT): Save and then set folding_initializer.
3841 (END_FOLD_INIT): Restore folding_initializer.
3843 2006-06-04 Richard Guenther <rguenther@suse.de>
3845 PR tree-optimization/27039
3846 * fold-const.c (fold_comparison): Handle pointer comparison
3847 again for all comparison codes. Compare offsets in signed
3849 (fold_binary): Move code from here.
3851 2006-06-03 Roger Sayle <roger@eyesopen.com>
3854 * config/i386/i386.c (construct_container): Split static issued_error
3855 flag into issued_sse_arg_error, issued_sse_ret_error and
3856 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3857 requires the use of x87 registers and the user explicitly
3858 specified the -mno-80387 command line option.
3860 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3862 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3863 HAVE_DECL_SIGALTSTACK.
3865 (segv_handler): Use MC_FLD.
3866 * configure.ac: Check for a sigaltstack declaration.
3867 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3868 * configure: Regenerate.
3869 * config.in: Regenerate.
3871 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3874 * Makefile.in (stmp-fixinc): Fix typo.
3876 2006-06-02 Roger Sayle <roger@eyesopen.com>
3878 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3879 are type correct. Clean-up.
3880 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3881 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3883 2006-06-01 DJ Delorie <dj@redhat.com>
3885 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3886 shift, as we've disabled the "switch" insn that needs it.
3888 2006-06-01 Per Bothner <bothner@bothner.com>
3890 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3891 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3892 * c-ppoutput.c (cb_define): Don't increment line 0.
3894 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3896 * doc/invoke.texi: Add cpu_type power6.
3897 * config.gcc: Add cpu_type power6.
3898 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3899 to power5+ with Altivec.
3900 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3901 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3903 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3905 * config/avr/avr.h (SET_ASM_OP): Define.
3907 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3909 * config/bfin/bfin.c: Fix comment typos.
3911 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3914 * doc/install.texi: Document --enable-bootstrap and
3915 --disable-bootstrap.
3917 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3919 * doc/install.texi: Document that InfoZIP can replace jar.
3921 2006-05-31 Roger Sayle <roger@eyesopen.com>
3923 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3924 isn't available, directly generate the simpler x87 patterns without
3925 the (use (const_int 0)).
3926 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3927 implementation isn't available.
3928 (*negdf2_1): Likewise.
3929 (*negxf2_1): XF mode negation is always done using the x87.
3930 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3932 2006-05-31 Roger Sayle <roger@eyesopen.com>
3934 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3935 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3937 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3939 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3941 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3942 * config/bfin/bfin.c (basic-block.h): Include.
3943 (struct machine_function): New.
3944 (bfin_init_machine_status): New.
3945 (override_options): Initialize init_machine_status.
3946 (bfin_hardware_loop): New.
3947 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3948 (DEF_VEC_P (loop_info)): New.
3949 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3950 (struct loop_info): New.
3951 (loop_info): New typedef.
3952 (struct loop_work): New.
3953 (loop_work): New typedef.
3954 (DEF_VEC_O (loop_work)): New.
3955 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3956 (bfin_dump_loops): New.
3957 (bfin_bb_in_loop): New.
3958 (bfin_scan_loop): New.
3959 (bfin_optimize_loop): New.
3960 (bfin_reorg_loops): New.
3961 (bfin_reorg): Use bfin_reorg_loops.
3962 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3964 (I_REGNO_P): Simplify.
3965 (DP_REGNO_P, DPREG_P): New macros.
3966 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3967 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3968 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3969 Add LT_REGS, LC_REGS, LB_REGS.
3970 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3972 (REGNO_REG_CLASS): Deal with loop registers.
3973 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3975 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3976 New constants for loop registers.
3977 (UNSPEC_LSETUP_END): New.
3978 (seq_insns): New define_attr. Set it for appropriate insns.
3979 (movsi_insn): Add alternatives for move from/to
3980 loop count registers.
3981 (doloop_end): New define_expand.
3982 (loop_end): New define_insn.
3983 (define_split for bad doloop_end): New.
3984 (lsetup_with_autoinit): New define_insn.
3985 (lsetup_without_autoinit): New define_insn.
3986 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3987 * config/bfin/predicates.md (lc_register_operand): New.
3988 (lt_register_operand): New.
3989 (lb_register_operand): New.
3990 (nondp_register_operand): New.
3991 (nondp_reg_or_memory_operand): New.
3992 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3994 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3996 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3997 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3999 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4001 * Makefile.in (CATALOGS): Add po/ prefix.
4002 * configure: Regenerated.
4004 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4007 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4008 a shift operand before calling shift_op. Avoid redundant call of
4011 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4012 DJ Delorie <dj@redhat.com>
4014 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4015 we're inserting is a singlt-bit constant.
4017 2006-05-30 Roger Sayle <roger@eyesopen.com>
4019 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4020 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4022 2006-05-30 Roger Sayle <roger@eyesopen.com>
4024 PR tree-optimization/23452
4025 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4026 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4027 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4028 complex values and with -ffast-math for FP complex values.
4030 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4032 * c-common.h: Remove the prototype for yyparse.
4033 * rtl.h: Remove the prototype for init_loop.
4035 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4037 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4040 2006-05-30 Roger Sayle <roger@eyesopen.com>
4042 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4044 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4045 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4047 2006-05-30 Dirk Mueller <dmueller@suse.de>
4050 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4051 for CONSTANT_CLASS_P expresisons.
4053 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4056 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4058 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4060 PR tree-optimization/27779
4061 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4062 initial_condition instead of CHREC_LEFT.
4064 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4066 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4067 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4068 Make prototypes ISO C90.
4070 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4071 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4073 * see.c (see_analyze_one_def): Correct check.
4074 (see_get_extension_data): Check if extension is parallel.
4075 (see_get_extension_reg): Likewise.
4077 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4080 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4081 into register for (code == GTU).
4083 2006-05-29 Roger Sayle <roger@eyesopen.com>
4085 PR tree-optimization/24964
4086 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4087 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4088 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4089 abs(x)*abs(x) as x*x for scalar floating point modes.
4091 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4094 * lambda-code.c (perfect_nestify): Don't copy statements
4095 in the inner loop: move them to the inner loop header.
4097 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4100 * c-tree.texi: Document OpenMP directives and clauses.
4102 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4104 * varasm.c (globalize_decl): Fix indentation.
4106 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4109 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4110 pass_fre, pass_store_ccp, pass_copy_prop,
4111 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4112 pass_return_slot, pass_object_size, pass_lim,
4113 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4114 pass_loop_prefetch and pass_stdarg.
4116 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4118 * config/bfin/bfin.opt (mfdpic): New option.
4119 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4120 (EXTRA_MULTILIB_PARTS): Likewise.
4121 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4122 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4124 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4125 (CRT_CALL_STATIC_FUNCTION): New.
4126 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4128 (CRT_CALL_STATIC_FUNCTION): New.
4129 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4131 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4132 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4133 (initialize_trampoline): Changed to handle FD-PIC code generation.
4134 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4135 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4136 (override_options): Disallow -mid-shared-library -mfdpic combination.
4137 Can't do unaligned ops if FD-PIC.
4138 Turn off flag_pic if trying to generate non-id-shared-library
4139 non-fdpic code, since it's not supported.
4140 (bfin_assemble_integer): New function.
4141 (TARGET_ASM_INTEGER): Define.
4142 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4144 * config/bfin/crtn.s: Restore them.
4145 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4147 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4148 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4149 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4150 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4151 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4153 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4154 FDPIC_REGS and FDPIC_FPTR_REGS.
4155 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4156 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4157 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4158 (load_funcdescsi): New pattern.
4159 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4160 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4161 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4163 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4165 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4168 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4170 * tree-flow.h: Remove the prototype for add_type_alias.
4171 * tree-ssa-alias.c (add_type_alias): Remove.
4173 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4175 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4176 config/fr30/fr30.md, config/i386/i386-interix.h,
4177 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4178 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4179 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4180 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4181 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4182 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4183 Follow spelling conventions.
4184 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4185 Follow spelling conventions.
4187 2006-05-27 Richard Guenther <rguenther@suse.de>
4190 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4191 to produce a constant of value 1 of generic type.
4193 2006-05-27 Dirk Mueller <dmueller@suse.de>
4195 * cgraphunit.c (decide_is_function_needed): Fix wrong
4198 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4200 PR rtl-optimization/27661
4201 * reload.c (find_reloads): When reloading a VOIDmode constant
4202 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4203 use Pmode as mode of the reload register.
4205 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4207 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4208 is enabled at -O and above.
4210 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4213 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4216 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4219 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4220 for anonymous variables explicitly declared by front ends.
4222 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4224 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4225 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4226 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4227 ref-all pointers, run a finalization pass for them.
4228 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4229 (finalize_ref_all_pointers): New function.
4230 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4231 regular pointer type to a ref-all pointer type.
4232 (get_tmt_for): Return the special memory tag for ref-all pointers.
4234 2006-05-25 Richard Guenther <rguenther@suse.de>
4237 * fold-const.c (fold_binary): Do not look at the stripped
4238 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4240 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4242 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4243 for LT and GT if the computed range is effectively empty.
4245 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4248 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4249 mips_quad_format formats instead of ieee_single_format,
4250 ieee_double_format and ieee_quad_format formats, respectively.
4252 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4254 PR tree-optimization/27639
4255 PR tree-optimization/26719
4256 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4257 call to scev_probably_wraps_p.
4258 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4259 used_in_pointer_arithmetic_p, convert_step): Removed.
4260 (nowrap_type_p): New function.
4261 (scev_probably_wraps_p): Rewritten.
4262 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4263 chrec_convert if chrec_convert_aggressive might have been used.
4264 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4265 scev_direction): New functions.
4266 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4267 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4268 instead of convert_step.
4269 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4270 (convert_step): Declaration removed.
4271 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4273 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4275 * df-core.c: Added to header comments.
4276 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4277 df_ur_bb_info, df_urec_bb_info): Added comments.
4278 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4279 urec, ri problems): Fixed header comments.
4280 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4281 code from df_rd_transfer_function.
4283 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4285 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4286 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4287 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4289 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4291 * expr.c (undefined_operand_subword_p): New.
4292 (emit_move_multi_word): Do not generate move from undefined bits
4293 of a paradoxical subreg.
4295 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4297 PR rtl-optimization/27736
4298 * combine.c (replaced_rhs_value): New variable.
4299 (combine_instructions): Set it.
4300 (distribute_notes): When distributing a note in replaced_rhs_insn,
4301 check whether the value was used in replaced_rhs_value.
4303 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4306 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4307 add_referenced_var instead of add_referenced_tmp_var.
4308 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4309 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4311 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4312 tree_optimize_tail_calls_1): Use add_referenced_var.
4313 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4314 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4315 Use add_referenced_var.
4316 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4317 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4318 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4319 Use add_referenced_var.
4320 * tree-dfa.c (struct walk_state): Remove.
4321 (find_referenced_vars): Remove walk state and vars_found hash table.
4322 (make_rename_temp): Use add_referenced_var.
4323 (find_vars_r): Pass less parameters to add_referenced_var.
4324 (referenced_var_p): New. Is var in referenced_var hash table.
4325 (referenced_var_insert): Assert var isn't already in hash table.
4326 (add_referenced_var): Don't need walk_state parameter. Add var if it
4327 isn't already in the hash table.
4328 (add_referenced_tmp_var): Remove.
4329 (find_new_referenced_vars_1): Use add_referenced_var.
4330 * tree-ssa-pre.c (create_expression_by_pieces,
4331 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4332 Use add_referenced_var.
4333 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4334 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4335 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4337 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4338 vect_create_data_ref_ptr, vect_create_destination_var,
4339 vect_init_vector, vect_build_loop_niters,
4340 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4341 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4342 Use add_referenced_var.
4343 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4344 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4345 (add_referenced_var): Add prototype.
4346 * tree-ssa-structalias.c (get_constraint_for,
4347 intra_create_variable_infos): Use add_referenced_var.
4349 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4351 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4352 big-endian paradoxical subregs.
4353 * var-tracking.c (struct micro_operation_def): Document that,
4354 for modify micro operations, insn is the subsequent instruction.
4355 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4356 (var_reg_set, var_mem_set): ... new functions.
4357 (add_stores): Record subsequent insn.
4358 (compute_bb_dataflow): Use new functions for MO_USE.
4359 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4360 notes after the insn, and modify notes before the insn known
4361 to be the subsequent one.
4362 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4364 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4367 * config/i386/i386.c (ix86_expand_builtin): Use
4368 gen_sse3_monitor64 for TARGET_64BIT.
4370 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4372 PR rtl-optimization/26375
4373 PR rtl-optimization/26855
4374 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4376 (df_ru_bb_local_compute): Reversed statements and removed bogus
4377 comment explaining why they should be in wrong order.
4378 (df_ru_dump, df_rd_dump): Enhanced debug info.
4379 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4381 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4382 reaching uses and fixed space problem.
4384 2006-05-23 Jan Hubicka <jh@suse.cz>
4386 * cgraphunit.c (decide_is_function_needed): Also nested functions
4387 and functions declared inline can be optimized out at -O0.
4389 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4391 * doc/install.texi (Configuration): Remove reference to CrossGCC
4395 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4398 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4399 ix86_compare_emitted is non-NULL.
4401 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4404 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4407 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4409 PR rtl-optimization/25514
4410 * combine.c (replaced_rhs_insn): New variable.
4411 (combine_instructions): Set replaced_rhs_insn when trying to replace
4412 a SET_SRC with a REG_EQUAL note.
4413 (distribute_notes): Use replaced_rhs_insn when determining the live
4414 range of a REG_DEAD register.
4416 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4417 Anatoly Sokolov <aesok@post.ru>
4419 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4420 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4421 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4422 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4423 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4424 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4425 at90usb647, at90usb1286 and at90usb1287 devices.
4426 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4427 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4429 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4431 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4433 2006-05-22 Richard Guenther <rguenther@suse.de>
4436 2006-01-31 Richard Guenther <rguenther@suse.de>
4437 Paolo Bonzini <bonzini@gnu.org>
4439 * doc/install.texi (--disable-libgcc-math): Document.
4441 2006-05-22 Richard Guenther <rguenther@suse.de>
4444 2006-01-31 Richard Guenther <rguenther@suse.de>
4446 * doc/invoke.texi (-msselibm): Document.
4447 * target.h (expand_library_builtin): New target hook.
4448 * builtins.c (expand_builtin): Use expand_library_builtin.
4449 (default_expand_library_builtin): New function.
4450 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4451 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4452 (link_gcc_math_spec): Declare.
4453 (static_specs): Add link_gcc_math_spec.
4454 * expr.h (default_expand_library_builtin): Declare.
4455 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4456 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4457 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4458 * config/i386/i386.opt (msselibm): New target option.
4459 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4460 (ix86_init_sse_abi_builtins): New function.
4461 (ix86_expand_library_builtin): Likewise.
4462 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4463 (override_options): Handle error conditions wrt -msselibm.
4464 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4465 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4466 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4469 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4472 * c-common.c (self_promoting_args_p): Skip erroneous args.
4475 * c-decl.c (finish_struct): Skip erroneous fields.
4477 2006-05-22 Nick Clifton <nickc@redhat.com>
4479 * config/cris/cris.opt (march): Remove VarExists attribute.
4480 (max-stackframe=): Likewise.
4482 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4484 * doc/rtl.texi: Fix a typo.
4485 * see.c: Fix comment typos.
4487 * tree-ssa-structalias.h (alias_info): Remove num_references.
4489 2006-05-21 Mike Stump <mrs@apple.com>
4491 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4493 (darwin_pragma_options): Use BAD instead.
4494 (darwin_pragma_unused): Likewise.
4495 (darwin_pragma_ms_struct): Likewise.
4497 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4499 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4501 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4503 PR rtl-optimization/27671
4504 * simplify-rtx.c (simplify_relational_operation_1): Fix
4505 simplifications of (eq/ne (xor x y) y) and
4506 (eq/ne (xor x y) x).
4508 PR tree-optimization/26622.
4509 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4512 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4514 * tree-cfg.c: Prune whitespace.
4515 (debug_tree_cfg): Point to correct header containing the
4518 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4521 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4523 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4526 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4527 or sorry count is non zero.
4529 2006-05-20 Andreas Schwab <schwab@suse.de>
4531 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4533 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4534 Kenneth Zadeck <zadeck@naturalbridge.com>
4536 PR rtl-optimization/26855
4538 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4540 (df_scan_alloc): Added code to properly handle multiword hard
4541 registers and add all_blocks parameter.
4542 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4543 code to properly handle multiword hard registers.
4544 (df_rescan_blocks): Added code to remove deleted blocks from
4546 (df_ref_create_structure, df_ref_record): Added code to properly
4548 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4549 and set DF_REF_PARTIAL.
4550 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4551 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4552 (df_scan_add_problem): Added flags parameter.
4553 (df_ref_create_structure): Changed switching structure.
4554 (df_bb_refs_record): Fixed case where duplicate artificial refs
4555 were created. Changed location of flags.
4556 (df_record_entry_block_defs): Added code to make stack pointer
4557 live in entry block. Refined cases where frame pointer is needed.
4558 Changed location of flags.
4559 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4560 (df_set_state): Removed function.
4561 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4562 df_insn_create_insn_record, df_insn_refs_delete,
4563 df_ref_create_structure): Formatting changes.
4564 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4565 df_delete_basic_block): New function.
4566 (df_init): Changed location of flags.
4567 (df_add_problem): Added flags parameter and the way flags are
4569 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4570 debug_df_chain): Improved debugging output.
4571 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4572 (df_refs_chain_dump): Removed df parameter.
4573 (df_iterative_dataflow): Added consistency check.
4574 (df_prune_to_subcfg): Made public.
4575 (df_analyze_problem): Added blocks_to_init parameter and made
4577 (df_ref_record, df_bb_refs_record, df_mark_reg,
4578 df_record_exit_block_uses): Whitespace changes.
4579 (df_dump): Whitespace changes.
4580 * df.h: Some reordering to remove forward references.
4581 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4582 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4583 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4584 (dataflow.flags): New field.
4585 (df.flag): Deleted field.
4586 (df_alloc_function): Added additional bitmap parameter.
4587 (df_dependent_problem_function): New type.
4588 (df_problem.changeable_flags): New field.
4589 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4590 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4591 (df_mw_hardreg): New struct.
4592 (DF_INSN_UID_MWS): New macro.
4593 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4595 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4596 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4597 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4598 (df_set_state): Removed function.
4599 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4600 * df-problems.c (df_chain_dump): Removed df parameter.
4601 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4602 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4604 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4605 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4606 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4607 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4608 DF_REF_MUST_CLOBBER cases.
4609 (df_ru_bb_local_compute_process_def,
4610 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4611 df_lr_bb_local_compute, df_ur_bb_local_compute,
4612 df_chain_create_bb): Made subreg aware.
4613 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4614 df_lr_bb_local_compute, df_lr_bb_local_compute,
4615 df_chain_create_bb): Cleanup to use proper macros.
4616 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4617 code to fixup bitvectors.
4618 (df_ri_alloc): Cleared lifetime.
4619 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4620 df_create_unused_note): New function.
4621 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4622 REG_DEAD and REG_UNUSED notes as well as register information.
4623 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4624 df_chains_dump): Fixed crash if problem was never run.
4625 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4626 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4627 df_ri_add_problem): Processes flags in uniform manner.
4628 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4629 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4630 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4631 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4632 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4633 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4634 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4635 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4636 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4637 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4638 * see.c (see_initialize_data): Ditto.
4639 * final.c (rest_of_clean_state) Added regstack_completed.
4640 * rtl.h (regstack_completed): Ditto.
4641 * reg-stack.c (regstack_completed): Ditto.
4643 2006-05-19 Mike Stump <mrs@apple.com>
4645 * c-tree.h (default_conversion): Remove.
4646 * c-common.h (default_conversion): Add.
4648 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4650 * tree-vrp.c (valid_value_p): New function.
4651 (adjust_range_with_scev): Fail if the value of bound is not
4654 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4656 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4657 (mips_fallback_frame_state): Use syscall numbers to determine
4658 the appropriate li instruction for the current ABI. Only use
4659 __NR_sigreturn for o32.
4661 2006-05-19 Nicolas Setton <setton@adacore.com>
4663 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4664 * langhooks.c (lhd_dwarf_name): New function.
4665 * langhooks-def.h (lhd_dwarf_name): Declare.
4666 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4667 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4668 * ada/misc.c (gnat_dwarf_name): New function.
4669 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4671 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4673 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4675 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4676 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4677 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4678 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4679 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4680 determine the size of Wtype, etc.
4681 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4682 (swfloatfuncs): New variable.
4683 (dwfloatfuncs): Likewise.
4684 (lib2funcs): Remove floating-point conversion functions from
4685 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4686 the set of conversion routines needed. Allow entries to specify
4687 an object name, filename and word size. Update users accordingly.
4688 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4689 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4693 2006-02-08 Roger Sayle <roger@eyesopen.com>
4696 * config/fixtfdi.c: New libgcc source file.
4697 * config/fixunstfdi.c: New source file.
4698 * config/floatditf.c: New source file.
4699 * config/floatunditf.c: New souce file.
4700 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4701 files above instead of config/mips/_tilib.c.
4702 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4704 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4706 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4707 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4709 2006-05-18 Mike Stump <mrs@apple.com>
4711 Fix up vla, vm and [*] sematics.
4717 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4718 (c_vla_unspec_p): Add.
4719 (c_vla_type_p): Add.
4720 * c-decl.c (struct c_scope): Add had_vla_unspec.
4721 (build_array_declarator): Add support for [*].
4722 (grokdeclarator): Likewise.
4723 (grokparms): Likewise.
4724 (get_parm_info): Likewise.
4725 * c-objc-common.c (c_vla_unspec_p): Likewise.
4726 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4727 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4728 typeof when argument is a variably modified type not inside sizeof or alignof.
4729 (c_parser_direct_declarator_inner): Propagate errors.
4730 (c_parser_sizeof_expression): Add support for [*].
4731 (c_parser_parms_declarator): Initialize had_vla_unspec.
4732 (c_parser_parms_list_declarator): Likewise.
4733 * c-typeck.c (c_vla_type_p): Add.
4734 (composite_type): Add support for vla compositing.
4735 (comptypes_internal): Add support for vla compatibility.
4736 (c_expr_sizeof_expr): Evaluate vla arguments.
4737 * tree.c (variably_modified_type_p): Update comment for [*].
4739 2006-05-18 Michael Matz <matz@suse.de>
4742 * config.host: Make assignments to host_xmake_file cumulative.
4743 * config.host (*-darwin*): Test $host, not $target.
4745 2006-05-12 Stuart Hastings <stuart@apple.com>
4747 * config/i386/i386.opt (-mstackrealign): New flag.
4748 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4749 (ix86_handle_cconv_attribute): Emit error when
4750 force_align_arg_pointer attribute collides with too many regparms.
4751 (ix86_function_regparm): Limit regparms when used with
4752 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4753 Support stack-realigning prologue in non-main functions. Emit
4754 warning for nested functions under -mstackrealign, emit error for
4755 nested functions with force_align_arg_pointer attribute.
4756 * doc/extend.texi (force_align_arg_pointer): Document it.
4757 * doc/invoke.texi (-mstackrealign): Document it.
4759 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4761 PR rtl-optimization/27477
4762 * combine.c (try_combine): Don't split a parallel consisting
4763 of two sets into two individual sets if both sets reference
4766 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4768 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4769 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4771 * doc/options.texi (VarExists): Updated.
4773 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4775 * unwind-dw2.c: Add declarations for uw_update_context and
4777 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4778 detected, advance frame state and context once to skip over stub.
4780 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4784 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4785 Call rewrite_into_loop_closed_ssa only when something changed.
4786 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4787 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4788 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4789 Test for perfect_nest_p here. Fix formating.
4790 (replace_uses_equiv_to_x_with_y): Fix formating.
4791 (stmt_uses_op): Removed.
4792 (can_convert_to_perfect_nest): Removed loopivs parameter.
4793 Complete the test by checking the scalar dependences.
4794 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4797 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4800 From Dan Kegel <dank@kegel.com>:
4801 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4803 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4805 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4806 if the element type is variably modified without recursing.
4808 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4811 * tree-loop-linear.c (try_interchange_loops): Test for
4812 no data dependences.
4814 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4816 PR tree-optimization/27548
4817 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4818 range of ssa names that appear on abnormal edges.
4819 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4820 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4822 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4825 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4827 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4830 * tree.h (OMP_PARALLEL_COMBINED): Define.
4831 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4832 (new_omp_context): Add is_combined_parallel argument.
4833 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4834 new_omp_context caller.
4835 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4836 Adjust gimplify_scan_omp_clauses callers.
4837 (omp_is_private): Issue errors if iteration variable is firstprivate
4838 or reduction in the current context.
4839 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4840 on combined parallel workshare constructs.
4842 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4844 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4845 (gcc-options.o): New rule.
4847 * optc-gen.awk: Protect variables for gcc-options.o with
4848 #ifdef GCC_DRIVER/#endif.
4850 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4852 Fix PR tree-optimization/27373
4853 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4854 (forward_propagate_addr_expr): Update call.
4856 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4858 * doc/options.texi: Move the Negative option.
4860 2006-05-16 Richard Guenther <rguenther@suse.de>
4862 PR tree-optimization/22303
4863 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4865 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4866 ccp_fold did not simplify the statement.
4868 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4871 * Makefile.in (GCC_OBJS): New.
4872 (OBJS-common): Add opts-common.o.
4873 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4874 (cpp$(exeext)): Likewise.
4875 (gcc.o): Also depend on opts.h.
4876 (opts-common.o): New.
4878 * common.opt (gcoff): Add Negative(gdwarf-2).
4879 (gdwarf-2): Add Negative(gstabs).
4880 (gstabs): Add Negative(gstabs+).
4881 (gstabs+): Add Negative(gvms).
4882 (gvms): Add Negative(gxcoff).
4883 (gxcoff): Add Negative(gxcoff+).
4884 (gxcoff+): Add Negative(gcoff).
4885 * config/i386/i386.opt (m32): Add Negative(m64).
4886 (m64): Add Negative(m32).
4888 * doc/options.texi: Document the Negative option.
4890 * gcc.c: Include "opts.h".
4891 (main): Call prune_options after expandargv.
4893 * optc-gen.awk: Generate common declarations for all flag
4894 variables in options.c. Output the neg_index field.
4896 * opts.c (find_opt): Moved to ...
4897 * opts-common.c: Here. New file.
4899 * opts.h (cl_option): Add a neg_index field.
4901 (prune_options): Likewise.
4903 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4906 * omp-low.c (expand_omp_parallel): Don't assert
4907 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4908 instead search for it.
4911 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4914 2006-05-16 Andreas Schwab <schwab@suse.de>
4916 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4919 2006-05-15 Roger Sayle <roger@eyesopen.com>
4922 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4923 integer constants other than zero are only legitimate on TARGET_64BIT.
4924 <CONST_VECTOR> Only zero vectors are legitimate.
4925 (ix86_cannot_force_const_mem): Integral and vector constants can
4926 always be put in the constant pool.
4928 2006-05-16 DJ Delorie <dj@redhat.com>
4930 * crtstuff.c (__dso_handle): Set section from
4931 TARGET_LBIGCC_SDATA_SECTION if defined.
4932 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4933 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4935 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4938 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4941 2006-05-16 Ben Elliston <bje@au.ibm.com>
4943 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4945 2006-05-15 Per Bothner <per@bothner.com>
4947 * tree.c: (last_annotated_node): Use source_locus typedef.
4948 This permits bootstrapping with --enable-mapped-location.
4950 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4952 PR tree-optimization/26830
4953 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4954 (info_for_ssa_name, current_info_for_ssa_name_age,
4955 blocks_to_update): New variables.
4956 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4957 (clear_ssa_name_info, initialize_flags_in_bb,
4958 mark_block_for_update): New functions.
4959 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4960 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4961 prepare_def_site_for): Use mark_block_for_update.
4962 (mark_def_interesting): Assert that the processed block is marked in
4963 blocks_to_update. Do not take blocks argument.
4964 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4966 (rewrite_update_init_block, rewrite_update_stmt): Only process
4967 blocks with statements to rewrite.
4968 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4969 (update_ssa): Initialize and free blocks_to_update. Do not
4970 clear flags on statements. Do not use blocks bitmap.
4971 * tree.h (SSA_NAME_AUX): Removed.
4972 (struct tree_ssa_name): Removed aux field.
4973 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4975 2006-05-15 Richard Guenther <rguenther@suse.de>
4977 PR tree-optimization/27603
4978 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4979 Do computations in original type.
4981 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4983 * see.c: Code style changes such as redundant paranthesis,
4984 redundant intialization of local variables etc.
4985 (see_main): Declared now as static.
4986 * doc/invoke.texi: Update that -fsee is not enabled by
4989 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4991 * omp-low.c (check_omp_nesting_restrictions): New function.
4992 (scan_omp_1): Call it.
4995 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4996 construct, return *VAR.
4998 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5000 PR rtl-optimization/27406
5001 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5004 2006-05-14 Roger Sayle <roger@eyesopen.com>
5006 PR rtl-optimization/27538
5007 * combine.c (expand_compound_operation): Call gen_lowpart
5008 before calling simplify_shift_const.
5010 2006-05-14 Roger Sayle <roger@eyesopen.com>
5012 PR rtl-optimization/22563
5013 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5014 a fixed width bitfield, always force the intermediates into psuedos.
5016 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5019 * mkconfig.sh: Use operator = instead of == for test.
5021 2006-05-13 Nick Clifton <nickc@redhat.com>
5023 * dwarf2out.c (dbx_reg_number): Check return value from
5024 LEAF_REG_REMAP and only use it if it is valid.
5025 (multiple_reg_loc_descriptor): Likewise.
5027 2006-05-13 Richard Guenther <rguenther@suse.de>
5029 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5032 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5034 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5035 information attached to non-INSNs such as NOTEs.
5036 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5038 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5040 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5042 * config/s390/s390.md: Adjust comment describing On constraint.
5044 2006-05-11 Jan Hubicka <jh@suse.cz>
5046 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5047 to be output at -O0.
5049 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5052 * fold-const.c (size_binop): Move sanity check for arguments to
5053 the beginning of the function.
5056 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5059 2006-05-11 Richard Guenther <rguenther@suse.de>
5062 * fold-const.c (fold_unary): Handle intermediate conversion
5063 to a pointer type like intermediate conversion to an integer
5064 type in folding of (T1)(T2)var to var.
5065 Match the code to the comment in the final conversion for
5066 (T1)(T2)var to (T1)var regarding to type precision. Rather
5067 than disallow T1 being of pointer type, assert that both T1
5068 and var are of pointer type or not. Make sure not to fall
5069 over the frontends lazyness wrt array to pointer decay though.
5071 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5073 * arm.c (arm_struct_value_rtx): Delete.
5074 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5075 (arm_init_cumulative_args): Always initialize nregs to zero.
5077 2006-05-10 Richard Guenther <rguenther@suse.de>
5079 PR tree-optimization/27532
5080 * tree-object-size.c (plus_expr_object_size): Fix typo.
5082 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5085 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5086 ashrdi_const, ashrdi3): Use a scratch register.
5088 2006-05-10 Richard Guenther <rguenther@suse.de>
5090 PR tree-optimization/27302
5091 * fold-const.c (operand_equal_p): For two comparisons,
5092 try comparison of one comparison code swapped if that yields
5095 2006-05-10 Ben Elliston <bje@au.ibm.com>
5097 * tree-pretty-print.c (pretty_print_string): No need to handle
5098 '\0' as a special character.
5100 * tree.h: Include "hashtab.h".
5101 (iterative_hash_expr): Use hashval_t in its prototype.
5102 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5104 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5107 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5108 (hppa*64*-*-hpux11*): Ditto.
5109 (hppa[12]*-*-hpux11*): Ditto.
5111 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5114 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5116 2006-05-09 Michael Matz <matz@suse.de>
5118 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5119 host_extra_gcc_objs and host_xmake_file.
5120 (<*-*-linux*>): Don't overwrite host_xmake_file.
5121 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5122 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5123 (host_detect_local_cpu): Declare.
5124 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5125 * config/i386/i386.c (override_options): Handle -mtune=native
5127 * config/i386/x-i386: New file.
5128 * config/i386/driver-i386.c: New file.
5129 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5132 2006-05-09 Dirk Mueller <dmueller@suse.de>
5133 Richard Guenther <rguenther@suse.de>
5136 * fold-const.c (fold_read_from_constant_string): Relax check
5137 for matching types to matching modes.
5139 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5141 PR rtl-optimization/27335
5142 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5145 2006-05-08 Chao-ying Fu <fu@mips.com>
5146 Richard Sandiford <richard@codesourcery.com>
5148 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5149 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5150 * config/mips/mips.md (UNSPEC_SCC): New constant.
5151 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5152 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5153 (mips_emit_compare): Use it.
5154 (mips_expand_vcondv2sf): New function.
5156 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5158 Fix PR tree-optimization/27093
5159 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5160 renaming when they become not-used_alone.
5162 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5164 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5165 relocation and relocation stubs.
5167 2006-05-08 Eric Christopher <echristo@apple.com>
5169 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5172 2006-05-08 Jan Hubicka <jh@suse.cz>
5175 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5176 unused static functions are needed.
5178 2006-05-08 Roger Sayle <roger@eyesopen.com>
5181 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5182 of a reg_equiv_constant if the result is a legitimate constant.
5184 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5187 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5188 standard 80387 constants, raise the cost to prevent
5189 compress_float_constant() to generate load from memory.
5191 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5193 * config/arm/constraints.md (c): Fix a typo.
5195 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5198 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5201 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5203 (_mm_mwait): Likewise.
5205 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5207 (sse3_monitor): Make it 32bit only.
5208 (sse3_monitor64): New. 64bit monitor.
5210 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5213 * config/i386/i386.c (classify_argument): Skip fields with invalid
5216 2006-05-07 Richard Guenther <rguenther@suse.de>
5218 PR tree-optimization/27409
5219 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5220 Do not try to find zero-sized subvars.
5222 2006-05-07 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/27136
5225 * tree-ssa-loop-niter.c (get_val_for): Correct function
5226 comment, assert requirements.
5227 (loop_niter_by_eval): Stop processing if the iterated
5228 value did not simplify.
5230 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5232 * opts.c (flag_see): remove its setting at -O3.
5234 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5236 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5237 * arm/constraints.md: New file.
5238 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5239 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5240 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5241 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5242 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5243 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5244 * arm.md: Include constraints.md.
5245 (thumb_movsi_insn): Use satisfies_constraint_J.
5246 (movhi, movqi): Use satisfies_constraint_I.
5248 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5250 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5251 for atmeg a645 device.
5253 2006-05-06 Richard Guenther <rguenther@suse.de>
5255 PR tree-optimization/27151
5256 * tree-vect-transform.c (vectorizable_condition): Punt on
5257 values that have a different type than the condition.
5259 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5262 * c-parser.c (c_parser_cast_expression): Only insert casts into
5263 hash table if pointer.
5264 * function.c (used_types_insert_helper): Rename from
5266 (used_types_insert): Call used_types_insert_helper.
5267 * function.h (used_types_insert): Accept only one argument.
5269 2006-05-05 David Edelsohn <edesohn@gnu.org>
5271 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5272 scratch with output modifier.
5274 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5277 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5278 with output modifier.
5280 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5283 * config/mips/mips.c (mips_symbolic_address_p): Return true
5284 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5285 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5287 2006-05-04 Richard Guenther <rguenther@suse.de>
5289 PR tree-optimization/14287
5290 PR tree-optimization/14844
5291 PR tree-optimization/19792
5292 PR tree-optimization/21608
5293 PR tree-optimization/27090
5294 * tree-ssa-pre.c (try_combine_conversion): New function.
5295 (compute_avail): After constructing the value-handle
5296 expression, use try_combine_conversion to combine NOP_EXPRs
5297 with previous value-handle expressions and use the result if it
5300 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5302 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5304 2006-05-04 Jan Hubicka <jh@suse.cz>
5307 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5309 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5311 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5312 that this only matches CONST_INTs. All users changed to VOIDmode
5315 * config/bfin/bfin.c: Include "optabs.h".
5316 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5318 (enum bfin_builtins): Add a number of fractional and vector builtins.
5319 (bfin_init_builtins): Likewise.
5320 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5321 (safe_vector_operand, bfin_expand_binop_builtin,
5322 bfin_expand_unop_builtin): New functions.
5323 (bfin_expand_builtin): Handle the new builtins.
5324 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5327 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5330 * Makefile.in (OBJS-common): Add see.o.
5331 (see.o): Add dependencies.
5332 * common.opt (fsee): New flag for the see optimization was added.
5333 * opts.c (flag_see): Initialized.
5334 * passes.c (init_optimization_passes, pass_see): New pass.
5335 * rtl.h (see_main): Declaration as extern.
5336 * timevar.def (TV_SEE): New.
5337 * tree-pass.h (pass_see): Declaration as extern.
5338 * invoke.texi (-fsee): Document.
5339 * recog.c (validate_simplify_insn): New function.
5340 * recog.h (validate_simplify_insn): Declaration as extern.
5341 * df-problems.c (df_chain_dump): Check for NULL.
5343 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5344 Daniel Berlin <dberlin@dberlin.org>
5346 * cfgrtl.c (insert_insn_bb_end_new): New function.
5347 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5349 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5351 * df.h (struct web_entry): Moved from web.c.
5352 (union_defs): Declaration as extern.
5353 (unionfind_root): Likewise.
5354 (unionfind_union): Likewise.
5355 * web.c (struct web_entry): Moved to df.h.
5356 (unionfind_root): Remove static declaration.
5357 (unionfind_union): Likewise.
5358 (union_defs): Likewise and generalize to use callback function.
5359 (web_main): Update arguments for union_defs function call.
5361 2006-05-04 Richard Guenther <rguenther@suse.de>
5363 PR tree-optimization/26447
5364 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5365 produce SSA_NAME copies before the store stmt to avoid
5366 breaking exception handling.
5368 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5371 * gimplify.c (omp_is_private): If var is shared in some outer context,
5372 return false instead of true. Stop searching on parallel context
5375 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5378 * coverage.c: Use get_gcov_unsigned_t() instead of
5379 unsigned_type_node all over.
5381 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5383 PR tree-optimization/27381
5384 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5385 maintain the same immediate_use links.
5386 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5387 node rather than segfaulting.
5389 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5392 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5393 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5394 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5396 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5398 Fix PR tree-optimization/26626
5399 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5401 * tree-ssa-operands.c (access_can_touch_variable): Allow
5402 typecasting through union pointers.
5404 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5407 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5408 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5409 to find if var will be a global variable even in the nested context.
5410 (omp_copy_decl): Only check for global variable at the end, it might
5411 be overridden in outer contexts.
5412 (scan_sharing_clauses): For global variables don't create a field.
5413 (lower_rec_input_clauses): Do nothing for global shared variables.
5414 Emit a barrier at the end of ILIST if there were any decls in both
5415 firstprivate and lastprivate clauses.
5416 (lower_send_clauses): Do nothing for global variables except for
5419 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5421 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5422 of the correct signedness is returned.
5424 2006-05-02 Jeff Law <law@redhat.com>
5426 PR tree-optimization/27364
5427 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5428 multiply expressions.
5430 2006-05-02 Tom Tromey <tromey@redhat.com>
5432 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5434 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5437 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5438 -mthumb -fPIC are used.
5440 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5441 Joshua Kinard <kumba@gentoo.org>
5444 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5445 with 64-bit pointers.
5447 2006-05-02 Paul Brook <paul@codesourcery.com>
5449 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5451 (create_fix_barrier): Check that a suitable barrier location is
5453 (arm_reorg): Include ftmp->address in allowable range of addresses.
5455 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5458 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5461 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5464 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5465 around RESULT_DECL for result passed by reference.
5466 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5467 * omp-low.c (use_pointer_for_field): Don't look at
5468 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5469 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5470 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5471 time or var for passing by reference for
5472 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5473 TREE_ADDRESSABLE variables when passing by reference.
5475 * omp-low.c (dump_omp_region): Fix output formatting.
5478 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5479 (expand_omp_parallel): Likewise.
5480 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5483 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5484 on statement list containing also constructors and destructors.
5485 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5488 * except.c (duplicate_eh_regions): Fix clearing of
5489 cfun->eh->region_array entries.
5491 2006-05-01 DJ Delorie <dj@redhat.com>
5493 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5495 (gcc_cv_objdump): Likewise.
5496 * configure: Regenerated.
5498 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5501 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5502 templates for case 3 and 4.
5504 2006-05-01 DJ Delorie <dj@redhat.com>
5506 * vec.c: Include bconfig.h when appropriate.
5507 * Makefile.in (build/vec.o): Adjust dependencies.
5508 * mkconfig.sh: Make sure config.h isn't used for build machine
5511 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5513 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5515 (mark_phi_for_rewrite): New function.
5516 (insert_phi_nodes_for, mark_use_interesting): Call
5517 mark_phi_for_rewrite.
5518 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5519 (update_ssa): Initialize and free phis_to_rewrite.
5521 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5523 PR rtl-optimization/27291
5524 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5525 folded to a constant.
5527 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5529 PR tree-optimization/27283
5530 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5531 not whole # of iteration descriptions.
5532 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5533 uses abnormal ssa name.
5534 (niter_for_single_dom_exit): Ditto.
5535 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5536 return just the number of iterations.
5538 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5540 PR tree-optimization/27144
5541 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5542 (record_estimate): Only record constant upper bound.
5543 (infer_loop_bounds_from_undefined): Call
5544 compute_estimated_nb_iterations just once.
5545 (proved_non_wrapping_p): Renamed to ...
5546 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5547 (convert_step_widening, scev_probably_wraps_p): Call
5548 n_of_executions_at_most instead of proved_non_wrapping_p.
5549 (substitute_in_loop_info): Do not replace values in bounds.
5550 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5553 2006-05-01 Richard Henderson <rth@redhat.com>
5556 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5557 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5560 2006-05-01 Roger Sayle <roger@eyesopen.com>
5562 * c-typeck.c (parser_build_binary_op): Don't call the function
5563 unsigned_conversion_warning to spot operand/result type overflow.
5564 (build_binary_op): Instead, call convert_and_check instead of
5565 convert to report the problem when the operands are promoted.
5566 * c-common.c (unsigned_conversion_warning): Make static.
5567 * c-common.h (unsigned_conversion_warning): Delete prototype.
5569 2006-05-01 Richard Guenther <rguenther@suse.de>
5571 PR tree-optimization/26726
5572 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5574 (find_interesting_uses_address): ... we work around here
5575 by folding INDIRECT_REFs in the substituted base.
5577 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5579 * omp-low.c (dump_omp_region): Add newlines.
5581 2006-04-30 Roger Sayle <roger@eyesopen.com>
5583 * common.opt (Woverflow): New command line option.
5584 * c-common.c (constant_expression_warning): Check warn_overflow.
5585 (overflow_waring): Pass OPT_Woverflow to warning.
5586 (unsigned_conversion_warning): Likewise.
5587 (convert_and_check): Likewise.
5588 * doc/invoke.texi: Document new command line option.
5590 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5592 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5593 TARGET_NO_FP_IN_TOC for section anchors.
5594 (optimization_options): Enable section anchors for all
5595 non-"Objective" languages.
5597 2006-04-28 Eric Christopher <echristo@apple.com>
5599 * config/darwin-c.c (darwin_ms_struct): Move this
5600 (darwin_set_default_type_attributes): and this...
5601 * config/darwin.c: ... here.
5602 * config/darwin.h (darwin_ms_struct): Declare.
5604 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5606 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5608 2006-04-28 Roger Sayle <roger@eyesopen.com>
5611 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5612 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5613 an unsigned HOST_WIDE_INT.
5614 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5616 (really_start_incremental_init): No need to call convert because
5617 bitsize_zero_node is already of type bitsizetype.
5618 (push_init_level): Extract the value of constructor_index as an
5619 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5620 (process_init_element): Likewise.
5622 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5624 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5625 value before passing to make_relative_prefix.
5627 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5630 * builtins.c (expand_builtin_memset): Expand val in original mode.
5632 2006-04-27 Eric Christopher <echristo@apple.com>
5634 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5635 with #ifndef/#endif.
5636 * config/darwin-c.c (darwin_ms_struct): New.
5637 (darwin_pragma_ms_struct): Ditto.
5638 (darwin_set_default_type_attributes): Ditto.
5639 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5640 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5641 Register ms_struct pragma.
5642 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5643 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5644 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5645 darwin_set_default_type_attributes if TARGET_MACHO.
5647 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5649 PR tree-optimization/26854
5650 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5651 * doc/tree-ssa.texi: Update immuse iterator documentation.
5652 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5653 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5654 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5655 first_safe_imm_use, next_safe_imm_use): Remove.
5656 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5657 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5658 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5659 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5660 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5661 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5662 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5663 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5664 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5665 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5666 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5667 (perfect_nestify): Use new iterator.
5668 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5670 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5671 (next_imm_name): New field in struct immediate_use_iterator_d.
5672 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5673 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5674 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5675 * tree-cfg.c (replace_uses_by): Use new iterator.
5676 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5677 * tree-ssa-operands.c (correct_use_link): Remove.
5678 (finalize_ssa_use_ops): No longer call correct_use_link.
5680 2006-04-27 Stuart Hastings <stuart@apple.com>
5682 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5683 * config/t-darwin (crt3.o): Use it.
5684 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5685 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5686 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5687 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5688 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5691 2006-04-27 Roger Sayle <roger@eyesopen.com>
5693 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5694 size, force the intermediate into a new pseudo rather instead of
5695 performing both a bitwise AND and a bitwise IOR in memory.
5697 2006-04-27 Richard Guenther <rguenther@suse.de>
5699 PR rtl-optimization/26685
5700 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5701 this one "max-flow-memory-locations".
5703 2006-04-27 Richard Guenther <rguenther@suse.de>
5705 PR tree-optimization/25148
5706 * tree-vrp.c (compare_values): Remove code dealing with
5707 comparisons against type min/max value. Honour overflow
5708 and negative constants in code dealing with comparisons
5709 of plus and minus expressions.
5710 (value_inside_range): Use fold_binary with LE_EXPR and
5711 GE_EXPR rather than compare_values.
5713 2006-04-27 Dirk Mueller <dmueller@suse.de>
5715 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5718 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5720 * basic-block.h (safe_insert_insn_on_edge): Removed.
5721 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5723 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5724 Paolo Bonzini <bonzini@gnu.org>
5727 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5728 (simplify_and_const_int): Same.
5730 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5732 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5734 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5737 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5738 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5739 cgraph_global_info_ready.
5742 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5745 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5746 either decl or init is error_mark_node.
5749 * tree-flow.h (struct omp_region): Add sched_kind.
5750 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5751 instead of extracting omp for data.
5752 (expand_omp_for): Save extracted sched_kind.
5754 2006-04-25 Roger Sayle <roger@eyesopen.com>
5756 * expmed.c (store_bit_field): Also check whether the bitsize is
5757 valid for the machine's "insv" instruction before moving the
5758 target into a pseudo for use with the insv.
5759 * config/i386/predicates.md (const8_operand): New predicate.
5760 * config/i386/i386.md (extv, extzv, insv): Use the new
5761 const8_operand predicate where appropriate.
5763 2006-04-25 DJ Delorie <dj@redhat.com>
5765 * doc/install.texi (Specific): Clarify that this is not a list of
5766 supported hosts or targets.
5768 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5770 PR rtl-optimization/26725
5771 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5772 block's BB_DIRTY flag.
5774 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5776 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5779 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5780 to print an integer.
5782 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5784 * varasm.c (align_variable): New function.
5785 (get_block_for_decl): Apply align_variable to DECL before
5786 calculating section information.
5787 (assemble_variable): Split out alignment computation.
5789 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5791 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5794 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5796 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5797 MODE_PARTIAL_INT mode.
5798 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5799 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5801 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5802 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5804 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5806 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5808 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5809 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5810 MACFLAG_IH): Likewise.
5811 (movstricthi_1): Renamed from "*movstricthi".
5812 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5813 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5814 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5815 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5816 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5817 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5818 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5819 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5820 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5821 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5822 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5823 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5824 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5825 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5826 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5828 * doc/rtl.texi (ss_ashift): Improve wording.
5830 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5832 * dwarf2out.c (verify_marks_clear): New.
5833 (prune_unused_types): Call verify_marks_clear initially, not
5836 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5838 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5839 * doc/rtl.texi: Document them.
5840 * simplify-rtx.c (simplify_unary_operation,
5841 simplify_binary_operation_1): Don't abort when we see them.
5843 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5846 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5847 * configure.ac: Completely disregard languages that are not
5849 * configure: Regenerated.
5851 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5852 Richard Guenther <rguenther@suse.de>
5854 PR tree-optimization/27236
5855 * tree-inline.c (copy_body_r): Make sure to copy
5856 TREE_THIS_VOLATILE flag.
5858 2006-04-24 Richard Guenther <rguenther@suse.de>
5861 * tree-complex.c (update_parameter_components): Don't handle
5862 unused parameters which have no default def.
5864 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5865 Richard Guenther <rguenther@suse.de>
5867 PR tree-optimization/27218
5868 * tree-inline.c (expand_call_inline): Strip useless type
5869 conversions for the return slot address.
5871 2006-04-24 Richard Guenther <rguenther@suse.de>
5873 * cfgloop.h (struct loops): Remove unused field array. Reorder
5875 (LOOP_PREFETCH): Remove.
5877 2006-04-24 Richard Guenther <rguenther@suse.de>
5879 PR tree-optimization/22525
5880 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5881 variable, adjust types of generated expressions.
5883 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5885 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5886 (tree-vect-patterns.o): Likewise.
5888 (cselib.o): Likewise.
5889 (loop-doloop.o): Likewise.
5890 (regclass.o): Likewise.
5891 (reload1.o): Likewise.
5892 (explow.o): Replace target.h with $(TARGET_H).
5893 (ipa-prop.o): Likewise.
5894 (ipa-cp.o): Likewise.
5895 (ipa-inline.o): Likewise.
5896 (reorg.o): Likewise.
5897 (reg-stack.o): Likewise.
5899 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5901 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5903 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5905 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5907 * configure.ac: Completely disregard languages that are not
5909 * configure: Regenerated.
5912 * c-common.h (c_build_bitfield_integer_type): Declare.
5913 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5914 * c-common.c (c_build_bitfield_integer_type): ... here.
5916 2006-04-23 Roger Sayle <roger@eyesopen.com>
5919 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5920 a SImode SUBREG of a floating point register after no_new_pseudos.
5922 2006-04-23 Roger Sayle <roger@eyesopen.com>
5924 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5925 identify potentially eliminable registers to additionally catch
5926 VIRTUAL_INCOMING_ARGS_REGNUM.
5927 (addsi3): Update the conditions on when to use addsi_small_int.
5929 2006-04-23 Roger Sayle <roger@eyesopen.com>
5932 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5933 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5934 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5936 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5938 * fold-const.c (range_predecessor): Use operand_equal_p
5939 as the predicate for equality.
5940 (range_successor): Likewise.
5942 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5945 * config/soft-fp/op-common.h: Fix a typo.
5947 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5950 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5951 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5953 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5955 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5957 * doc/tm.texi: Fix a typo.
5959 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5961 * dwarf2out.c (struct die_struct): Document that die_sib makes
5962 a circular linked list.
5963 (FOR_EACH_CHILD): New.
5964 (reverse_die_lists): Delete.
5965 (reverse_all_dies): Delete.
5966 (add_dwarf_attr): Correct documentation.
5967 (remove_child_with_prev): New.
5968 (remove_child_TAG): Update for change to die_struct, use
5969 remove_child_with_prev.
5970 (add_child_die): Update for change to die_struct.
5971 (splice_child_die): Use remove_child_with_prev and add_child_die.
5972 (print_die): Use FOR_EACH_CHILD.
5973 (die_checksum): Likewise.
5974 (assign_symbol_names): Likewise.
5975 (output_location_lists): Likewise.
5976 (build_abbrev_table): Likewise.
5977 (calc_die_sizes): Likewise.
5978 (mark_dies): Likewise.
5979 (unmark_dies): Likewise.
5980 (unmark_all_dies): Likewise.
5981 (output_die): Likewise.
5982 (prune_unused_types_mark): Likewise.
5983 (prune_unused_types_walk): Likewise.
5984 (same_die_p): Update for change to die_struct.
5985 (break_out_includes): Likewise.
5986 (prune_unused_types_prune): Likewise.
5987 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5988 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5990 (dwarf2out_finish): Don't call reverse_all_dies.
5992 2006-04-21 Eric Christopher <echristo@apple.com>
5994 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5995 in comments and function names.
5997 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6000 * c-typeck.c (digest_init): Robustify.
6002 * c-typeck.c (pop_init_level): Simplify.
6004 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6006 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6008 2006-04-21 Paul Brook <paul@codesourcery.com>
6010 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6011 hardware floating point.
6013 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6015 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6018 2006-04-21 Nick Clifton <nickc@redhat.com>
6020 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6023 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6026 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6027 C++ lang type in traceback table for Objective-C++.
6029 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6031 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6033 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6035 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6038 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6039 were errors. Remove check for erroneous objects.
6041 2006-04-20 Jeff Law <law@redhat.com>
6043 PR tree-optimization/26854
6044 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6045 checking for zero or one use.
6046 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6047 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6048 * tree-ssa-reassoc.c (negate_value): Similarly.
6049 (reassociate_bb): Similarly.
6051 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6053 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6054 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6055 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6057 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6059 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6060 fp regs if the last fp arg doesn't fit in regs.
6062 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6065 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6066 that the last insn has the REG_INC note.
6068 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6069 Nathan Sidwell <nathan@codesourcery.com>
6072 * stor-layout.c (update_alignment_for_field): Do not align
6074 (place_union_field): Place union field at the start of the union.
6075 (place_field): Move ERROR_MARK check later, and use the current
6076 allocation position to maintain monotonicity.
6078 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6080 * dominance.c: Include timevar.h.
6081 (calculate_dominance_info): Use TV_DOMINANCE.
6082 * timevar.def (TV_DOMINANCE): New timevar.
6083 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6085 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6087 PR rtl-optimization/14261
6088 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6089 move would be an INSV insn.
6090 (noce_process_if_block): Don't optimize if the destination is a
6091 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6093 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6095 * config/s390/s390.md: Add comments with the instructions emitted
6096 by an insn pattern if macros are used.
6098 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6100 PR rtl-optimization/26026
6101 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6102 is a known power of two shifted left a variable amount.
6104 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6106 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6107 to hash table twice when the debug_str section has SECTION_MERGE.
6109 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6111 * config/soft-fp: New directory. From glibc.
6112 * config/soft-fp/t-softfp: New.
6113 * config/soft-fp/README: New.
6114 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6115 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6116 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6117 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6118 * config.gcc: Use rs6000/t-fprules-fpbit or
6119 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6121 * config/rs6000/sfp-machine.h: New. Based on glibc.
6122 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6124 * config/rs6000/t-fprules: Remove fp-bit rules.
6125 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6126 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6127 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6128 (softfp_wrap_start, softfp_wrap_end): New.
6130 2006-04-18 DJ Delorie <dj@redhat.com>
6132 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6134 2006-04-18 Devang Patel <dpatel@apple.com>
6136 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6138 2006-04-18 Nick Clifton <nickc@redhat.com>
6140 * config/sh/t-symbian: Add rule to build sh-c.o
6141 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6142 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6143 (sh_symbian_encode_section_info): Likewise.
6145 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6147 * builtins.c (expand_builtin_strcmp): Cover label definition of
6148 do_libcall with HAVE_cmpstrnsi.
6150 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6152 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6154 * function.h (temp_slot_p): New.
6155 (function): Change the type of x_used_temp_slots to
6156 VEC(temp_slot_p,gc) *.
6158 2006-04-18 Nick Clifton <nickc@redhat.com>
6160 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6161 flag_strength_reduce.
6163 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6165 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6169 Partial revert of revision 112637
6170 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6171 Dale Johannesen <dalej@apple.com>
6174 * regclass.c (struct reg_pref): Update documentation.
6175 (regclass): Set prefclass to NO_REGS if memory is the best option.
6176 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6178 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6180 PR tree-optimization/26821
6181 * tree-ssa-math-opts.c (get_constant_one): New.
6182 (insert_reciprocals): Use it.
6184 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6186 * dwarf2out.c (free_AT): Delete.
6187 (remove_AT): Update string ref counts.
6188 (remove_child_TAG): Don't call free_die.
6190 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6191 or DW_TAG_GNU_EINCL.
6192 (prune_unused_types_walk_attribs): Reset string refcounts.
6193 (prune_unused_types_update_strings): New.
6194 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6195 call free_die. Do call prune_unused_types_update_strings.
6196 (prune_unused_types): Empty debug_str_hash.
6198 2006-04-17 Roger Sayle <roger@eyesopen.com>
6200 * expr.c (expand_assignment): Optimize away no-op moves where the
6201 source and destination are equal and have no side-effects.
6203 2006-04-17 Richard Guenther <rguenther@suse.de>
6206 * reload.c (push_reload): Guard calls to get_secondary_mem
6209 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6211 * alias.c (reg_base_value, old_reg_base_value): Change the
6212 type to VEC(rtx,gc) *.
6213 (REG_BASE_VALUE, find_base_value, record_set,
6214 init_alias_analysis): Use VEC instead of VARRAY.
6216 * alias.c (alias_sets): Change the type to
6217 VEC(alias_set_entry,gc) *.
6218 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6219 VEC instead of VARRAY.
6220 (last_alias_set): Remove.
6222 * cgraph.h (cgraph_edge_p): New.
6223 Update the prototype of cgraph_function_versioning.
6224 * cgraphunit.c (cgraph_copy_node_for_versioning,
6225 cgraph_function_versioning): Use VEC instead of VARRAY.
6226 * ipa-cp.c (ipcp_insert_stage): Likewise.
6228 2006-04-16 Roger Sayle <roger@eyesopen.com>
6231 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6232 "A op B" or "A op C", we may need to convert A to the type of B and C.
6234 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6236 * target.h (struct gcc_target): Add mode_rep_extended.
6237 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6238 (init_num_sign_bit_copies_in_rep): Initialize it using
6240 (truncate_to_mode): Use it.
6241 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6242 * targhooks.h (default_mode_rep_extended): Declare it.
6243 * targhooks.c (default_mode_rep_extended): Define it.
6244 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6245 default_mode_rep_extended.
6246 (TARGET_INITIALIZER): Include it.
6247 * doc/tm.texi (Misc): Document it.
6248 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6249 (mips_truncated_to_mode): New function.
6251 2006-04-16 Roger Sayle <roger@eyesopen.com>
6254 * expr.c (compress_float_constant): Copy the narrow constant into
6255 a new pseudo before extending it to its final width.
6257 2006-04-16 Roger Sayle <roger@eyesopen.com>
6258 Andrew Pinski <pinskia@gcc.gnu.org>
6259 Dale Johannesen <dalej@apple.com>
6262 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6263 special case code to implement V8HImode and V16QImode with SSE2.
6265 2006-04-15 Roger Sayle <roger@eyesopen.com>
6267 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6268 trees are constructed with a suitable tree type.
6270 2006-04-15 Roger Sayle <roger@eyesopen.com>
6272 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6273 (integer_onep): Likewise.
6274 (integer_all_onesp): Likewise.
6275 (integer_pow2p): Likewise.
6276 (integer_nonzerop): Likewise.
6277 (real_zerop): Likewise.
6278 (real_onep): Likewise.
6279 (real_twop): Likewise.
6280 (real_minus_onep): Likewise.
6281 (int_size_in_bytes): Likewise.
6282 (host_integerp): Likewise.
6284 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6286 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6287 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6288 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6290 * tree-ssa-structalias.h (alias_info): Remove num_references.
6292 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6294 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6295 (output_bvb patterns): Likewise.
6296 * pa.c (output_bb): Use 'bb' insn for long branch case.
6297 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6298 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6299 1. Correct length operand for alternatives 1 and 2.
6300 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6301 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6303 2006-04-14 Roger Sayle <roger@eyesopen.com>
6305 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6306 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6307 were accidentally reverted by r112959.
6309 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6312 * except.h (eh_region_outermost): New prototype.
6313 * except.c (eh_region_outermost): New function.
6314 * tree-cfg.c (find_outermost_region_in_block): Use it.
6316 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6318 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6320 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6321 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6322 (init_reload, reload): Use VEC instead of VARRAY.
6323 * reload.h: Update the prototype for
6324 reg_equiv_memory_loc_varray.
6326 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6327 Eric Botcazou <ebotcazou@libertysurf.fr>
6329 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6332 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6335 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6336 to expand fallback builtin function call.
6338 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6341 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6342 and emit libcall here in case the builtin fails.
6343 (expand_builtin_strcmp): Always emit the libcall here on failure.
6345 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6347 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6348 * flow.c (reg_n_info): Change the type to
6349 VEC(reg_info_p,heap) *.
6350 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6352 * regs.h (reg_info_p): New.
6353 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6354 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6355 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6358 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6360 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6362 * params.h (MAX_SCHED_READY_INSNS): New macro.
6363 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6364 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6365 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6366 the ready list for 1 cycle during the first scheduling pass.
6367 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6369 2006-04-13 Richard Henderson <rth@redhat.com>
6372 * gimple-low.c (lower_omp_directive): Remove dead code.
6373 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6374 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6375 * omp-low.c (struct omp_region): Move to tree-flow.h.
6376 (root_omp_region): Export.
6377 (omp_regions, lookup_omp_region): Remove.
6378 (determine_parallel_type): Update for struct omp_region changes.
6379 (dump_omp_region): Dump regions with block numbers.
6380 (new_omp_region): Take type and block instead of stmt; malloc
6382 (free_omp_region_1, free_omp_regions): New.
6383 (expand_parallel_call): Take entry_stmt as argument; update for
6384 changes to omp_region.
6385 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6386 (remove_exit_barriers): New.
6387 (expand_omp_parallel): Update for struct omp_region changes.
6388 (expand_omp_synch): Likewise.
6389 (expand_omp): Likewise.
6390 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6391 (expand_omp_for_static_chunk): Likewise.
6392 (expand_omp_for): Likewise.
6393 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6394 (expand_omp_sections): Similarly, with GOMP_sections_end.
6395 (expand_omp_single): New.
6396 (build_omp_regions_1): Update for OMP_CONTINUE.
6397 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6398 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6399 OMP_SECTIONS_SECTIONS.
6400 (lower_omp_single_simple): Don't emit barrier here.
6401 (lower_omp_single_copy): Likewise.
6402 (lower_omp_single): Fix bindings, and lower to straightline now.
6403 (lower_omp_master, lower_omp_ordered): Likewise.
6404 (lower_omp_critical): Likewise.
6405 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6406 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6407 omp edges, free it afterward.
6408 (make_omp_sections_edges): Remove.
6409 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6410 (move_stmt_r): Handle OMP_CONTINUE.
6411 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6412 statement pointers to basic blocks. Add type member.
6413 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6414 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6415 * tree-inline.c (estimate_num_insns_1): Likewise.
6416 * tree-pretty-print.c (dump_generic_node): Likewise.
6417 * tree-ssa-operands.c (get_expr_operands): Likewise.
6418 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6419 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6420 (OMP_CONTINUE): New.
6421 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6422 (OMP_SECTIONS_SECTIONS): Remove.
6423 (OMP_SECTION_LAST): New.
6424 (OMP_RETURN_NOWAIT): New.
6426 2006-04-13 Roger Sayle <roger@eyesopen.com>
6428 * fold-const.c (native_encode_vector, native_interpret_real):
6429 Correct obvious mistakes in the previous check-in.
6431 2006-04-13 Roger Sayle <roger@eyesopen.com>
6433 * fold-const.c (native_encode_expr): New function to encode
6434 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6435 or VECTOR_CST into a specified buffer.
6436 (native_encode_int): New function.
6437 (native_encode_real): New function.
6438 (native_encode_complex): New function.
6439 (native_encode_vector): New function.
6440 (native_interpret_expr): Inverse of native_encode_expr to convert
6441 a target representation into an INTEGER_CST, REAL_CST etc...
6442 (native_interpret_int): New function.
6443 (native_interpret_real): New function.
6444 (native_interpret_complex): New function.
6445 (native_interpret_vector): New function.
6446 (fold_view_convert_expr): New function to constant fold/evaluate
6447 a VIEW_CONVERT_EXPR of a suitable constant expression.
6448 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6449 Change call of build1 to fold_build1 when constructing a
6452 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6453 Ulrich Weigand <uweigand@de.ibm.com>
6456 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6459 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6462 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6463 optimize to lo_sum for DFmode if !TARGET_FPRS.
6465 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6467 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6468 delete_alias_info, compute_flow_sensitive_aliasing,
6469 group_aliases): Use VEC instead of VARRAY.
6470 * tree-ssa-structalias.c (update_alias_info): Likewise.
6471 * tree-ssa-structalias.h (alias_info): Change the type of
6472 processed_ptrs to VEC(tree,heap) *.
6474 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6477 * config/sh/lib1funcs.h: New file, broken out of:
6478 * config/sh/lib1funcs.asm.
6479 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6481 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6482 * config/sh/lib1funcs-Os-4-200.asm: New file.
6483 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6484 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6485 (EXTRA_MULTILIB_PARTS): Include it.
6486 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6487 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6488 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6489 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6492 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6494 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6495 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6496 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6498 * tree-ssa-live.h: Include vecprim.h.
6499 (tree_partition_associator_d): Change the type of
6500 first_partition to VEC(int,heap) *.
6501 (tpa_first_partition): Use VEC instead of VARRAY.
6503 * Makefile.in (GTFILES): Move functions.h after tree.h.
6504 * function.c (reset_block_changes, record_block_change,
6505 check_block_change, free_block_changes): Use VEC instead of
6507 * function.h (function): Change the type of
6508 ib_boundaries_block to VEC(tree,gc) *.
6509 * tree-inline.c (copy_cfg_body): Initialize
6510 ib_boundaries_block to NULL instead of (varray_type) 0.
6512 2006-04-12 Roger Sayle <roger@eyesopen.com>
6514 * expr.c (emit_group_store): Correct operand order in call to
6515 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6516 a SUBREG_BYTE of zero.
6518 2006-04-12 Richard Guenther <rguenther@suse.de>
6520 * profile.c (compute_branch_probabilities): Remove code
6521 encapsulated in !ir_type (), which are remanents of the
6522 removed RTL profiling code.
6523 * rtl-profile.c: Remove.
6525 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6527 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6528 magic NULL_RTX comment.
6529 (function_arg): Store entire fp arg to mem if any part should go
6531 (rs6000_arg_partial_bytes): Adjust for above change.
6533 2006-04-11 Roger Sayle <roger@eyesopen.com>
6535 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6536 if it hasn't been initialized by dwarf2out_init.
6538 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6540 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6541 symbolic constants in branch patterns.
6543 2006-04-11 Roger Sayle <roger@eyesopen.com>
6545 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6547 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6549 PR rtl-optimization/27073
6550 * gcse.c (try_replace_reg): Revert last change. Continue to search
6551 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6554 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6556 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6557 aggregate types other than record and union types.
6558 (function_arg): Likewise.
6559 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6561 (function_value): In 64-bit mode, return objects that require it
6564 2006-04-11 Roger Sayle <roger@eyesopen.com>
6566 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6568 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6570 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6572 2006-04-03 Jeff Law <law@redhat.com>
6575 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6576 alias information too.
6578 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6580 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6582 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6585 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6586 (premark_used_types_helper): New.
6587 (premark_used_types): New.
6588 (gen_subprogram_die): Call premark_used_types.
6589 (prune_unused_types_walk): Do not prune perennial dies.
6590 * function.c (used_types_insert): New.
6591 * function.h (struct function): Add used_types_hash field.
6592 (used_types_insert): Add prototype.
6593 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6594 * c-parser.c (c_parser_cast_expression): Save casted types in used
6597 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6600 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6601 rs6000_explicit_options.float_gprs.
6603 2006-04-10 Roger Sayle <roger@eyesopen.com>
6605 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6606 from ix86_expand_vector_init_low_nonzero. Take an additional
6607 one_var argument indicating which element is non-zero. Support
6608 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6609 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6610 with one_var instead of ix86_expand_vector_init_low_nonzero.
6612 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6614 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6615 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6616 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6617 build/genextract.o): Depend on vecprim.h.
6618 * cfglayout.c, df-problems.c, function.c, genextract.c,
6619 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6620 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6624 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6626 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6627 Declare VECs of this type.
6628 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6629 (remove_children): Delete.
6630 (add_dwarf_attr): Use VEC routines.
6631 (add_AT_flag): Update for changes to add_dwarf_attr.
6632 (add_AT_int): Likewise.
6633 (add_AT_unsigned): Likewise.
6634 (add_AT_long_long): Likewise.
6635 (add_AT_vec): Likewise.
6636 (add_AT_string): Likewise.
6637 (add_AT_die_ref): Likewise.
6638 (add_AT_fde_ref): Likewise.
6639 (add_AT_loc): Likewise.
6640 (add_AT_loc_list): Likewise.
6641 (add_AT_addr): Likewise.
6642 (add_AT_lbl_id): Likewise.
6643 (add_AT_lineptr): Likewise.
6644 (add_AT_macptr): Likewise.
6645 (add_AT_offset): Likewise.
6646 (add_AT_range_list): Likewise.
6647 (get_AT): Use VEC_iterate.
6648 (remove_AT): Use VEC_ordered_remove.
6649 (free_die): Fold remove_children into here; have it use VEC_iterate.
6650 (print_die): Use VEC_iterate on attrs.
6651 (reverse_die_lists): Don't reverse attr lists.
6652 (die_checksum): Use VEC_iterate on attrs.
6653 (same_die_p): Likewise.
6654 (output_location_lists): Likewise.
6655 (build_abbrev_table): Likewise.
6656 (size_of_die): Likewise.
6657 (unmark_all_dies): Likewise.
6658 (output_abbrev_section): Likewise.
6659 (output_die): Likewise.
6660 (prune_unused_types_walk_attribs): Likewise.
6662 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6664 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6666 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6669 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6671 2006-04-09 Roger Sayle <roger@eyesopen.com>
6673 * expr.c (store_constructor): Don't bother clearing target if
6674 we're about to assign a vector to it using vec_init_optab.
6676 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6678 * tree-ssa-alias.c (lhs_may_store_to): New function.
6679 (recalculate_used_alone): Handle LHS of calls.
6681 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6685 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6686 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6687 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6688 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6689 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6690 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6691 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6692 stubs. Add ".align 8" directives before all ".dword" directives.
6693 (GTHREAD_USE_WEAK): Revise comment.
6694 (TARGET_ATTRIBUTE_WEAK): Define.
6695 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6696 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6697 * stublib.c: New file.
6702 * pa.md (cbranch patterns): Revise arguments used in calls to
6703 output_cbranch, output_bb and output_bvd. Add long branch length
6705 (fbranch patterns): Handle long branches.
6706 (jump): Revise length check. Revise arguments for output_lbranch call.
6707 Add long branch length attributes.
6708 (decrement_and_branch_until_zero): Add long branch length attributes.
6709 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6710 Likewise. Revise arguments for output_parallel_addb and
6711 output_parallel_movb calls.
6712 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6713 output_parallel_movb and output_parallel_addb): Update prototypes.
6714 * pa.c (output_cbranch): Revise arguments. Correct handling of
6715 nullification in long branches.
6716 (output_lbranch): Add new argument to control extraction of delay
6718 (output_bb): Handle long branches.
6719 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6720 output_parallel_addb): Likewise.
6722 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6724 PR rtl-optimization/27073
6725 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6728 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6730 * tree.h (tree_memory_tag): Add old_used_alone.
6731 (SMT_OLD_USED_ALONE): New macro.
6732 * tree-ssa-alias.c (recalculate_used_alone): Stop
6733 marking things for renaming unnecessarily.
6735 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6737 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6738 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6739 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6740 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6741 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6742 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6743 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6744 spelling convensions.
6745 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6746 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6747 typos. Follow spelling conventions.
6749 2006-04-07 DJ Delorie <dj@redhat.com>
6751 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6752 passed on the stack.
6753 (m32c_init_cumulative_args): When a function returns a structure,
6754 always pass the pointer to that return area on the stack.
6755 (m32c_function_arg_advance): Don't increment the parameter number
6756 if we're processing the returned structure pointer.
6757 (pushm_info): Reverse order of registers.
6759 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6761 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6762 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6763 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6764 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6766 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6767 chrec_fold_multiply): Same.
6768 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6769 force_expr_to_var_cost): Same.
6770 * tree-mudflap.c (mf_xform_derefs_1): Same.
6771 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6773 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6775 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6776 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6779 2006-04-07 Jan Hubicka <jh@suse.cz>
6781 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6783 2006-04-07 Richard Guenther <rguenther@suse.de>
6785 PR tree-optimization/26135
6786 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6787 loads for store copy-prop.
6788 (copy_prop_visit_stmt): Likewise.
6790 2006-04-05 Robert Millan <robertmh@gnu.org>
6792 * config/i386/linux.h: Add a comment to mark macros that are
6793 being overriden in config/k*bsd-gnu.h.
6794 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6796 * config/knetbsd-gnu.h: Ditto.
6798 2006-04-06 Jan Hubicka <jh@suse.cz>
6802 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6805 2006-04-06 Mike Stump <mrs@apple.com>
6807 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6808 for HAVE_nonlocal_goto to be consistent.
6809 (expand_builtin_nonlocal_goto): Likewise.
6810 (expand_builtin_strcmp): Use #ifdef instead of #if
6811 for HAVE_cmpstrnsi to be consistent.
6813 2006-04-05 DJ Delorie <dj@redhat.com>
6815 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6818 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6820 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6821 got-relative addressing for anything but SImode.
6823 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6824 even if the calling function doesn't modify them.
6826 2006-04-05 Richard Guenther <rguenther@suse.de>
6828 PR tree-optimization/26919
6829 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6830 to cgraph_estimate_size_after_inlining.
6832 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6834 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6836 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6838 PR tree-optimization/26996
6839 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6840 VECTOR_TYPE variables.
6842 2006-04-05 Richard Guenther <rguenther@suse.de>
6844 PR tree-optimization/26763
6845 * fold-const.c (fold_comparison): Move folding of
6846 PTR + CST CMP PTR + CST ...
6847 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6849 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6851 * doc/install.texi (Prerequisites): Refine some wording on
6852 bootstrapping and ksh.
6853 Move the version numbers of DejaGnu here from the testing section
6854 and fix casing of names.
6855 Fix markup and clarify wording for autogen requirements.
6856 Refer to GCJ instead of just java.
6857 Refer to SVN instead of CVS.
6858 Describe diffutils as useful instead of necessary.
6859 (Downloading the source): Refer to SVN instead of CVS.
6860 Adjust a link to our web site accordingly.
6861 (Configuration): Fix casing of Bison.
6862 (Building): Refer to SVN instead of CVS.
6863 Fix a sentence on the use of Bison and remove duplicate (and
6864 incorrect) version number of Bison requirement.
6865 Remove one redundant list of packages needed for building.
6866 (Specific): Avoid reference to CVS.
6868 2006-04-04 Eric Christopher <echristo@apple.com>
6870 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6871 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6872 (rs6000_handle_struct_attribute): New.
6873 (rs6000_ms_bitfield_layout_p): Ditto.
6875 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6877 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6878 NULL for dso parameter to atexit_common.
6880 2006-04-04 Eric Christopher <echristo@apple.com>
6882 * config/i386/i386.c (machopic_output_stub): Output \t
6883 between instructions and operands.
6885 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6887 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6888 satisfies_constraint_[IL] to explicit tests on value.
6890 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6892 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6893 set_nb_iterations_in_loop): Use build_int_cst instead of
6895 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6896 build_int_cst instead of convert.
6898 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6900 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6901 new value 2 for incoming.
6902 * function.c (expand_function_start): Call struct_value_rtx
6904 * config/sparc/sparc.md: Comment updated_return.
6905 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6906 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6907 struct return if sparc_std_struct_return and incoming is 2.
6908 (print_operand): Do not adjust return if
6909 sparc_std_struct_return.
6911 2006-04-04 Roger Sayle <roger@eyesopen.com>
6913 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6914 convert in the middle-end.
6915 * expr.c (store_expr, store_constructor, get_inner_reference,
6916 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6918 * tree.c (build_range_type): Likewise.
6920 2006-04-04 Tom Tromey <tromey@redhat.com>
6922 * doc/install.texi (Prerequisites): Mention jar.
6924 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6926 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6929 2006-04-04 Matthias Klose <doko@debian.org>
6931 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6935 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6938 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6940 * doc/extend.texi (Function Attributes): Rewrite visibility
6941 attribute documentation.
6942 * doc/invoke.texi (C++ Dialect Options): Rewrite
6943 -fvisibility-inlines-hidden documentation to describe something
6944 entirely different, although in practise compatible.
6945 (Code Gen Options): Warn about system headers in -fvisibility=
6948 * doc/extend.texi (Other Builtins): Document that
6949 __builtin_nan is a compile-time constant only when its argument
6952 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6954 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6955 trying to remove TRUNCATE check if all bits outside the new mode
6956 are identical to the sign bit.
6958 2006-04-03 Jeff Law <law@redhat.com>
6960 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6961 and operand scanning in some common cases.
6963 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6964 Dale Johannesen <dalej@apple.com>
6967 * regclass.c (struct reg_pref): Update documentation.
6968 (regclass): Set prefclass to NO_REGS if memory is the best option.
6969 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6970 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6971 into account. For non-registers, equate an empty preferred
6972 reload class to a `!' in the constraint; move the if clause to
6973 do so after those that reject the insn.
6974 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6976 (find_dummy_reload): Likewise.
6977 * doc/tm.texi (Register Classes): Document what it means
6978 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6979 * config/i386/i386.c (ix86_preferred_reload_class): Force
6980 using SSE registers (and return NO_REGS for floating-point
6981 constants) if math is done with SSE.
6982 (ix86_preferred_output_reload_class): New.
6983 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6984 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6985 * config/i386/i386.md: Remove # register preferences.
6987 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6990 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6991 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6992 the type of nb_iter.
6993 (instantiate_parameters_1): Convert the operands before calling
6994 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6995 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6997 2006-04-02 Roger Sayle <roger@eyesopen.com>
6999 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7000 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7002 * dojump.c (do_jump): Likewise.
7003 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7004 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7005 gimplify_boolean_expr): Likewise.
7006 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7007 * varasm.c (array_size_for_constructor): Likewise.
7008 * tree-object-size.c (compute_object_offset): Likewise.
7010 2006-04-02 Roger Sayle <roger@eyesopen.com>
7013 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7014 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7016 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7018 PR tree-optimization/26939
7019 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7021 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7023 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7024 at_stmt. Convert the type of operands before calling
7025 build_polynomial_chrec.
7026 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7028 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7029 (instantiate_parameters_1): Convert the type of operands before calling
7030 build_polynomial_chrec.
7031 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7032 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7033 reset_evolution_in_loop): Insert asserts to check the types of the
7035 (chrec_type): Moved...
7036 (eq_evolutions_p): Use operand_equal_p.
7037 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7038 the types of the operands.
7039 (chrec_type): ...here.
7040 * tree-data-ref.c (create_data_ref): Convert the operands before
7041 calling chrec_replace_initial_condition.
7042 (same_access_functions, analyze_subscript_affine_affine,
7043 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7044 (compute_subscript_distance, analyze_ziv_subscript,
7045 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7046 analyze_miv_subscript): Convert the operands before calling
7047 chrec_fold_minus or chrec_fold_plus.
7049 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7051 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7052 the dependence_relations vector.
7053 (compute_data_dependences_for_loop): Adjust call to
7054 compute_all_dependences.
7056 2006-04-01 Roger Sayle <roger@eyesopen.com>
7057 Richard Henderson <rth@redhat.com>
7059 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7060 gimple_boolify on the condition before calling gimplify_expr.
7062 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7064 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7065 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7066 the frame size. Update to use the new macros.
7067 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7068 * config/xtensa/ieee754-df.S: Likewise.
7070 2006-03-31 Richard Henderson <rth@redhat.com>
7072 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7073 (make_edges): ... here. Control fallthru creation with a local
7074 variable. Do not play with fake edges.
7075 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7076 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7079 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7081 * dwarf2.h (DW64_CIE_ID): Define.
7082 * dwarf2out.c (DWARF_CIE_ID): Define.
7083 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7084 length header. Use DWARF_CIE_ID.
7085 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7086 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7088 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7090 * config/sh/linux-atomic.asm: New file.
7091 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7093 2006-03-31 DJ Delorie <dj@redhat.com>
7095 * config/m32c/cond.md: Set condition flags properly throughout.
7096 * config/m32c/minmax.md: Likewise.
7097 * config/m32c/prologue.md: Likewise.
7098 * config/m32c/bitops.md: Likewise.
7099 * config/m32c/muldiv.md: Likewise.
7100 * config/m32c/mov.md: Likewise.
7101 * config/m32c/addsub.md: Likewise.
7102 * config/m32c/m32c.md: Likewise.
7103 * config/m32c/jump.md: Likewise.
7104 * config/m32c/shift.md: Likewise.
7106 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7107 conditionally output the pattern for this.
7108 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7109 (m32c_compare_redundant): New.
7110 (m32c_output_compare): New.
7111 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7113 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7114 dest, not src. Allow other 4-byte modes.
7116 2006-03-30 Denis Chertykov <denisc@overta.ru>
7118 * doc/md.texi: Refer to avr/constraints.md instead of
7121 2006-03-30 Roger Sayle <roger@eyesopen.com>
7123 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7124 signed vs. unsigned comparison failures on some hosts.
7126 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7129 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7130 change to FLOAT_REGS.
7132 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7133 (rs6000_override_options): Use it.
7134 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7135 only for -mabi=spe/no-spe and -mabi=altivec.
7137 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7139 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7142 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7144 * Makefile.in: Rename docdir to gcc_docdir.
7146 2006-03-30 Roger Sayle <roger@eyesopen.com>
7149 * expr.c (emit_group_store): Optimize group stores into a pseudo
7150 register by using a paradoxical subreg to initialize the destination
7151 if the first or last member of the group specifies a "low part".
7153 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7156 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7157 * target.h (struct gcc_target.speculate_insn): Change type of the
7158 second parameter to 'int'.
7159 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7160 the second operand of the DEPS_LIST.
7161 (copy_DEPS_LIST_list): Update reference to the second operand of the
7163 * rtl.h (alloc_DEPS_LIST): Update signature.
7164 * sched-int.h (ds_t): Change typedef to 'int'.
7165 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7167 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7169 * haifa-sched.c (try_ready): Change condition to restore
7170 non-speculative pattern of the instruction.
7171 (process_insn_depend_be_in_spec): Code to keep probability of the
7172 speculative dependence non-decreasing.
7174 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7176 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7177 (single_move_for_movmem): ... this. Also change all uses.
7178 (bfin_expand_strmov): Renamed to...
7179 (bfin_expand_movmem): ... this. Also change all uses.
7180 * config/bfin/bfin.md (movstrsi): Renamed to...
7181 (movstrsi): ...this.
7183 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7185 PR tree-optimization/26830
7187 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7188 (copy_prop_visit_stmt): Remove write-only variable ann.
7189 (init_copy_prop): Check variable loop depth here. Do not simulate
7190 memory-tag and virtual operand PHIs except for store copy prop.
7192 2006-03-30 Richard Guenther <rguenther@suse.de>
7194 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7195 variants with double arguments.
7197 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7199 * genpreds.c (write_tm_constrs_h): Delete variable p.
7200 * genconditions.c (write_header): Add tm-constrs.h to included
7202 * genpeep.c (main): Add toplev.h to included headers.
7203 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7204 (build/genpeep.o): Add toplev.h dependency.
7205 * config/rs6000/constraints.md: Add "W" constraint.
7207 2006-03-29 Roger Sayle <roger@eyesopen.com>
7209 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7210 sizes by correctly testing whether the size fits a host integer.
7211 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7212 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7213 SImode range for the default sizetype and bitsizetype.
7215 2006-03-29 Roger Sayle <roger@eyesopen.com>
7217 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7218 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7219 quickly if the argument is already of the correct type.
7220 Call fold_build1 instead of build1. Tidy up blank lines.
7222 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7224 * genemit.c (main): Add tm-constrs.h to included headers.
7225 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7226 * genpeep.c (main): Add tm-constrs.h to included headers.
7227 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7228 (write_tm_constrs_h): this and write complete file.
7229 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7230 (write_insn_preds_c): Add tm-constrs.h to included headers.
7231 (gen_constrs): New variable.
7232 (parse_option): Parse "-c".
7233 (main): Invoke write_tm_constrs_h.
7234 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7235 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7236 (object_out_file): Add tm-constrs.h dependency.
7237 (insn-emit.o): Same.
7238 (insn-output.o): Same.
7239 (insn-peep.o): Same.
7240 (insn-preds.o): Same.
7241 (insn-recog.o): Same.
7242 (tm-constsr.h): New target.
7243 (s-constrs-h): New target.
7245 * config/rs6000/constraints.md: New file.
7246 * config/rs6000/rs6000.c: Include tm-constrs.h.
7247 (num_insn_constant_wide): Convert to satisfies_constraint.
7248 (rs6000_rtx_costs): Convert to satisfies_constraint.
7249 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7250 (CONST_OK_FOR_LETTER_P): Delete.
7251 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7252 (EXTRA_CONSTRAINT): Delete.
7253 (EXTRA_MEMORY_CONSTRAINT): Delete.
7254 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7255 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7256 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7257 satisfies_constraint.
7259 * config/i386/i386.c: Include tm-constrs.h.
7261 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7263 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7264 * tree-data-ref.c (find_data_references_in_loop,
7265 compute_data_dependences_for_loop): Use pointers to VEC.
7266 (analyze_all_data_dependences): Adjust calls.
7267 * tree-data-ref.h (find_data_references_in_loop,
7268 compute_data_dependences_for_loop): Adjust declarations.
7269 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7270 compute_data_dependences_for_loop.
7272 2006-03-29 Paul Brook <paul@codesourcery.com>
7274 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7277 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7279 PR tree-optimization/26859
7280 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7282 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7283 for the step after fold_convert.
7285 2006-03-29 Paul Brook <paul@codesourcery.com>
7287 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7288 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7290 2006-03-29 Paul Brook <paul@codesourcery.com>
7293 * targhooks.c (default_narrow_bitfield): New fuction.
7294 * targhooks.h (default_narrow_bitfield): add prototype.
7295 * target.h (gcc_target): Add narrow_volatile_bitfield.
7296 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7297 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7298 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7299 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7301 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7303 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7305 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7306 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7307 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7308 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7309 (s390_function_arg_float): Allow SDmode and DDmode values to be
7310 passed in floating point registers.
7311 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7312 check with SCALAR_FLOAT_MODE_P.
7313 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7315 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7317 PR tree-optimization/25985
7318 * tree-ssa-loop-niter.c (number_of_iterations_le,
7319 number_of_iterations_ne): Make comments more precise.
7320 (number_of_iterations_cond): Add only_exit argument. Use the
7321 fact that signed variables do not overflow only when only_exit
7323 (loop_only_exit_p): New.
7324 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7325 number_of_iterations_cond.
7327 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7329 PR tree-optimization/26643
7330 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7333 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7335 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7336 (divsi3_i4_int): Likewise.
7338 2006-03-28 Roger Sayle <roger@eyesopen.com>
7340 * expr.c (emit_group_store): Only create a new pseudo reg if the
7341 quantity it needs to hold isn't already a suitable pseudo.
7343 2006-03-28 Jeff Law <law@redhat.com>
7345 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7346 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7348 2006-03-28 Roger Sayle <roger@eyesopen.com>
7350 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7351 the equivalent ~X & Y, and the symmetry related transformations.
7352 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7353 ~X & Y, and symmetry related transforms.
7355 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7357 Revert my 2006-03-27 patches.
7359 2006-03-28 Roger Sayle <roger@eyesopen.com>
7361 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7362 ~(T1)X, when T1 and T2 are integer types of the same precision
7363 and (T2)X isn't an extension.
7365 2006-03-28 Jeff Law <law@redhat.com>
7367 PR tree-optimization/26796
7368 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7369 need EH edge cleanups rather than purging them immediately.
7370 (eliminate_degenerate_phis): Handle queued EH cleanups.
7372 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7374 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7377 2006-03-27 Roger Sayle <roger@eyesopen.com>
7380 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7381 cast BIT_NOT_EXPR operand to the correct type.
7383 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7385 * tree-loop-linear.c: Don't include varray.h.
7386 (gather_interchange_stats, try_interchange_loops,
7387 linear_transform_loops): Use VEC instead of VARRAY.
7388 * lambda-mat.c: Don't include varray.h.
7389 * tree-chrec.c: Same.
7390 * lambda-trans.c: Same.
7391 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7392 VEC instead of VARRAY.
7393 * tree-vectorizer.h: Idem.
7394 * tree-data-ref.c (dump_data_references,
7395 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7396 initialize_data_dependence_relation, finalize_ddr_dependent,
7397 compute_all_dependences, find_data_references_in_loop,
7398 compute_data_dependences_for_loop, analyze_all_data_dependences,
7399 free_dependence_relation, free_dependence_relations,
7400 free_data_refs): Idem.
7401 * tree-data-ref.h (data_reference_p, subscript_p): New.
7402 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7403 VEC instead of VARRAY.
7404 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7405 (find_data_references_in_loop, compute_data_dependences_for_loop,
7406 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7407 dump_data_dependence_relations, free_dependence_relations,
7408 free_data_refs): Adjust declaration.
7409 (lambda_transform_legal_p): Move declaration here...
7410 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7411 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7412 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7413 vect_analyze_data_refs): Use VEC instead of VARRAY.
7414 * lambda.h (lambda_transform_legal_p): ...from here.
7415 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7416 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7417 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7418 tree-chrec.o): Don't depend on VARRAY_H.
7420 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7422 * rtl.def (Copyright): Update date.
7423 (DEPS_LIST): Change type of the second operand to 'int'.
7424 * target.h (Copyright): Update date.
7425 (struct gcc_target.speculate_insn): Change type of the second parameter
7427 * lists.c (Copyright): Update date.
7428 (alloc_DEPS_LIST): Change signature. Update reference to the second
7429 operand of the DEPS_LIST.
7430 (copy_DEPS_LIST_list): Update reference to the second operand of the
7432 * rtl.h (Copyright): Update date.
7433 (alloc_DEPS_LIST): Update signature.
7434 * sched-int.h (Copyright): Update date.
7435 (ds_t): Change typedef to 'int'.
7436 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7438 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7440 * haifa-sched.c (Copyright): Update date.
7441 (try_ready): Change condition to restore non-speculative pattern
7443 (process_insn_depend_be_in_spec): Code to keep probability of the
7444 speculative dependence non-decreasing.
7446 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7448 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7449 shut up the compiler.
7451 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7453 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7454 to use lib prefix for target.
7455 ($(T)libic_invalidate_array_4-200.a): Likewise.
7456 ($(T)libic_invalidate_array_4a.a): Likewise.
7458 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7459 J"orn Rennecke <joern.rennecke@st.com>
7461 * superh.opt: New file.
7462 * sh.c (boardtype, osruntime): Remove.
7463 * superh.h (SUBTARGET_OPTIONS): Remove.
7464 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7466 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7467 arguments with ^ and/or [].
7469 * config.gcc (sh-*-*): Add quoting to account for quirk of
7471 Replace == with = in enable_incomplete_targets test.
7473 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7474 with MASK_LITTLE_ENDIAN.
7476 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7477 * config/sh/sh.opt: Added to some comments.
7478 * config/sh/superh.h: Removed some chaff.
7480 * config/sh/sh.opt: Add m4-[1234]00* options.
7481 * config/sh/sh.c (sh_handle_option): Likewise.
7482 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7483 (ic_invalidate_array_4-100.o): New rule.
7484 ($(T)libic_invalidate_array_4-100.a): Likewise.
7485 (ic_invalidate_array_4-200.o): Likewise.
7486 ($(T)libic_invalidate_array_4-200.a): Likewise.
7487 (ic_invalidate_array_4a.o): Likewise.
7488 ($(T)libic_invalidate_array_4a.a): Likewise.
7489 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7490 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7492 * config/sh/crt1.asm: Merged in profiling code.
7493 * config/sh/superh.h (STARTFILE_SPEC): Override.
7494 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7495 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7496 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7498 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7499 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7500 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7502 * sh.opt (mpretend-cmove): New option.
7503 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7504 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7505 (movsicc): Add TARGET_PRETEND_CMOVE code.
7507 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7509 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7510 s390_class_max_nregs): New function prototypes.
7511 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7512 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7513 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7514 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7516 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7518 * dwarf2out.c (add_location_or_const_value_attribute): Call
7519 tree_add_const_value_attribute if nothing else works.
7520 (reference_to_unused): New.
7521 (rtl_for_decl_init): Use reference_to_unused to decide whether
7522 to output an initializer.
7524 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7527 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7528 peephole removing spe frob_di_df_2.
7530 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7532 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7533 (subscript_dependence_tester_1): Declared.
7534 (print_dir_vectors, print_dist_vectors): New.
7535 (debug_data_dependence_relation): New.
7536 (dump_data_dependence_relation): Print more details.
7537 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7538 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7539 (save_dist_v, save_dir_v, add_outer_distances,
7540 build_classic_dist_vector_1): New.
7541 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7542 Don't test for lambda_vector_lexico_pos.
7543 (same_access_functions, add_multivariate_self_dist,
7544 add_other_self_distances, dir_from_dist): New.
7545 (build_classic_dir_vector): Replace implementation almost identical to
7546 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7548 (subscript_dependence_tester_1): New.
7549 (subscript_dependence_tester): Handle the lexicographically negative
7550 distance vectors by recomputing the dependence relation.
7551 (compute_affine_dependence): Remove parameter loop_nest_depth.
7552 (compute_self_dependence): Don't call compute_subscript_distance.
7553 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7554 Add a parameter for the loop_nest.
7555 (find_loop_nest_1, find_loop_nest): New.
7556 (compute_data_dependences_for_loop): Compute the loop nest, and give
7557 up if the nest is not well formed.
7558 * tree-data-ref.h (loop_p): New.
7559 (struct data_dependence_relation): Replace size_vect field with
7560 loop_nest, a vec of loops.
7561 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7562 (DDR_LOOP_NEST): New.
7563 (print_dir_vectors, print_dist_vectors,
7564 debug_data_dependence_relation): Declared.
7565 (index_in_loop_nest): New.
7566 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7567 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7570 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7572 * simplify-rtx.c (simplify_relational_operation): Call
7573 simplify_relational_operation_1 even if mode is VOIDmode.
7575 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7577 PR tree-optimization/26804
7578 * tree.h (DECL_CALL_CLOBBERED): New macro.
7579 (tree_decl_common): Add call_clobbered_flag.
7580 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7581 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7582 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7583 (mark_non_addressable): Ditto.
7584 * tree-ssa.c (verify_call_clobbered): New function.
7585 (verify_alias_info): Use it.
7586 * tree-pass.h (pass_reset_cc_flags): New prototype.
7587 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7588 (reset_cc_flags): New function.
7589 * passes.c (init_optimization_passes): Call reset_cc_flags after
7590 initializing referenced_vars.
7592 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7593 Roger Sayle <roger@eyesopen.com>
7596 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7597 to 1.0 for non-real operands. Implement A / A optimization for
7600 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7602 * config/i386/i386.c (size_cost): Correct the comment for
7603 cost of storing fp registers.
7604 (i386_cost): Likewise.
7605 (i486_cost): Likewise.
7606 (pentium_cost): Likewise.
7607 (pentiumpro_cost): Likewise.
7608 (k6_cost): Likewise.
7609 (athlon_cost): Likewise.
7610 (k8_cost): Likewise.
7611 (pentium4_cost): Likewise.
7612 (nocona_cost): Likewise.
7613 (generic64_cost): Likewise.
7614 (generic32_cost): Likewise.
7616 2006-03-24 Denis Chertykov <denisc@overta.ru>
7618 * config/avr/avr-protos.h (extra_constraint): Delete.
7619 (extra_constraint_Q): New declaration.
7620 * config/avr/constraints.md: New file.
7621 * config/avr/avr.md: Include it.
7622 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7623 (TMP_REGNO, ZERO_REGNO): Likewise.
7624 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7625 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7626 (extra_constraint): Delete.
7627 (extra_constraint_Q): Test for memory constraint 'Q'.
7628 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7629 (REG_CLASS_FROM_LETTER): Delete.
7630 (CONST_OK_FOR_LETTER_P): Delete.
7631 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7632 (EXTRA_CONSTRAINT): Delete.
7633 (TMP_REGNO): Delete.
7634 (ZERO_REGNO): Delete.
7636 2006-03-24 Jeff Law <law@redhat.com>
7638 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7639 directly. Call mark_new_vars_to_rename slightly earlier.
7641 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7643 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7645 (gen_compile_unit_die): Use new language types for Objective-C and
7647 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7648 DW_LANG_C_plus_plus.
7651 * config/t-darwin (crt3.o): Work around bug 26840.
7652 * config/darwin-crt3.c: Rewrite.
7653 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7655 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7657 * doc/invoke.texi: Document -femit-class-debug-always
7658 * common.opt: Add -femit-class-debug-always.
7660 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7662 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7663 index and base register.
7664 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7665 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7666 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7667 REGNO_OK_FOR_INDEX_P.
7668 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7670 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7671 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7672 REG_OK_FOR_BASE_P): Definitions removed.
7674 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7677 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7678 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7679 set yet or weren't marked as local yet.
7681 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7683 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7686 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7688 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7689 (rs6000_legitimate_small_data_p): Delete.
7690 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7691 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7692 and make static. Add forward declaration. Update uses.
7693 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7694 of offsettable_memref_p.
7695 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7696 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7698 2006-03-24 Jeff Law <law@redhat.com>
7700 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7701 around bug in immediate-use iterator.
7703 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7706 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7707 or __LITTLE_ENDIAN__.
7709 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7711 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7712 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7713 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7714 * config/sh/sh.opt (mdiv=): Amend description.
7715 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7716 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7717 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7718 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7719 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7720 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7721 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7722 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7723 TARGET_DIVIDE_CALL_FP.
7725 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7727 * haifa-sched.c (choose_ready): Fix type of the local variable.
7728 Move local variables. Add comment.
7729 (check_reg_live): Change signature. Make callable from debugger.
7730 * sched-int.h (check_reg_live): Update signature.
7731 * sched-ebb.c (check_reg_live): Update parameters.
7732 * sched-rgn.c (check_reg_live): Ditto.
7733 (region_head_or_leaf_p): Check pointer before dereferencing.
7734 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7735 before reload on optimization levels below 1.
7737 2006-03-23 Richard Henderson <rth@redhat.com>
7739 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7743 * config/alpha/predicates.md (local_symbolic_operand): Reject
7746 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7749 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7750 expressions which have overflowed constants.
7752 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7754 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7756 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7758 * cfgloopmanip.c (create_loop_notes): Removed.
7759 * final.c (final_scan_insn): Do not handle loop notes.
7760 * jump.c (squeeze_notes): Ditto.
7761 * cfglayout.c (skip_insns_after_block,
7762 duplicate_insn_chain): Ditto.
7763 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7765 * cfgloop.h (create_loop_notes): Declaration removed.
7767 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7769 * varasm.c (output_constant_pool): Restore fnname and fndecl
7771 (assemble_start_function): Adjust call accordingly.
7772 (assemble_end_function): Likewise.
7774 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7777 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7780 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7782 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7785 * system.h (ICE_EXIT_CODE): New macro.
7786 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7787 (diagnostic_action_after_output): Likewise.
7788 * gcc.c (fatal_ice): New function.
7789 (execute): Use it instead of fatal.
7790 (fancy_abort): Likewise.
7791 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7793 2006-03-22 Jeff Law <law@redhat.com>
7795 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7796 iv_analyze_result returning false.
7798 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7800 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7802 2006-03-22 Richard Henderson <rth@redhat.com>
7805 * except.c (duplicate_eh_regions_0): New.
7806 (duplicate_eh_region_1): Duplicate the children of the node as
7807 well as the node itself. Link them up properly.
7808 (duplicate_eh_region_2): Merge into ...
7809 (duplicate_eh_regions): ... here. Take copy_region argument, and
7810 copy only a sub-tree if asked. Simplify copying and fixup.
7811 (eh_region_outer_p): New.
7812 * except.h (duplicate_eh_regions): Update decl.
7813 (eh_region_outer_p): Declare.
7814 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7815 (lower_omp_master): Likewise.
7816 (lower_omp_ordered): Likewise.
7817 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7818 (move_stmt_r): Use it to remap labels. Handle recursion vs
7819 remap_decls_p properly.
7820 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7821 (find_outermost_region_in_block): New.
7822 (new_label_mapper): New.
7823 (move_sese_region_to_fn): Copy eh information to the new function
7825 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7827 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7830 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7832 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7833 into shared libraries.
7835 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7837 * doc/md.texi: Refer to i386/constraints.md instead of
7839 * config/i386/constraints.md: New file, extracted from...
7840 * config/i386/predicates.md: ...here.
7841 * config/i386/i386.md: Include constraints.md.
7843 2006-03-21 Jason Merrill <jason@redhat.com>
7845 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7848 * expr.c (init_block_move_fn): Force default visibility.
7849 (init_block_clear_fn): Likewise.
7850 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7851 * targhooks.c (default_external_stack_protect_fail): Likewise.
7853 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7855 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7856 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7857 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7858 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7859 (loadgp): Use mips_current_loadgp_style.
7860 (loadgp_noshared): New pattern.
7861 (sibcall_internal): Use MIPS_CALL.
7862 (sibcall_value_internal): Likewise.
7863 (sibcall_value_multiple_internal): Likewise.
7864 (call_internal): Likewise.
7865 (call_value_internal): Likewise.
7866 (call_value_multiple_internal): Likewise.
7867 (call_split): Use MIPS_CALL and add an 'S' constraint.
7868 (call_value_split): Likewise.
7869 (call_value_multiple_split): Likewise.
7870 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7871 (-mshared): New option.
7872 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7873 (mips_current_loadgp_style): Declare.
7874 * config/mips/mips.c (mips_classify_symbol): Avoid using
7875 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7876 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7877 TARGET_ABSOLUTE_ABICALLS.
7878 (override_options): Adjust comments. Improve the warning that is
7879 issued when -mabicalls and -G are used together.
7880 (mips_file_start): Remove comment.
7881 (mips_current_loadgp_style): New function.
7882 (mips_gnu_local_gp): New variable.
7883 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7885 (mips_output_function_prologue): Use mips_current_laodgp_style.
7886 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7887 the cprestore instruction.
7888 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7889 live for TARGET_ABSOLUTE_ABICALLS.
7890 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7891 (ASM_SPEC): Pass down -mshared and -mno-shared.
7892 (MIPS_CALL): New macro.
7893 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7895 * doc/invoke.texi (-mabicalls): Update documentation.
7896 (-mshared): Document.
7898 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7900 * config/ia64/unwind-hpux.c: New file.
7901 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7903 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7906 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7908 2006-03-21 Jeff Law <law@redhat.com>
7910 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7911 type conversions of a VR_VARYING source to a wider type.
7913 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7915 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7916 tm_file on Solaris 10 and later.
7917 (sparc64-*-solaris2*): Likewise.
7918 (sparc-*-solaris2*): Likewise.
7919 * config/sol26.h: Rename to config/sol2-6.h.
7920 * config/sol2-10.h: New file.
7922 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7925 * tree-ssa-pre.c (create_component_ref_by_pieces):
7928 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7931 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7932 return it immediately.
7934 2006-03-21 Michael Matz <matz@suse.de>
7936 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7938 (remove_arc, add_arc): Update num_out_arcs member.
7939 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7941 (cache_presence): New function.
7942 (compare_states_for_equiv): New function.
7943 (state_is_differed): Don't take number of outargs, adjust callers.
7944 Use new invariant for speeding up.
7945 (init_equiv_class): Create initial classes based on sorted
7947 (partition_equiv_class): Don't track out_arcs_num.
7948 (evaluate_equiv_classes): Call cache_presence on all states and
7951 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7953 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7954 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7955 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7956 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7958 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7959 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7960 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7961 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7962 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7964 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7965 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7966 (REGNO_REG_CLASS): ARGP is in PREGS.
7967 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7969 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7970 to deal with those addresses.
7971 * addresses.h: New file.
7972 * caller-save.c: Include "addresses.h".
7973 (init_caller_save): Use new base_reg_class function.
7974 * rtl-factoring.c: Include "addresses.h".
7975 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7976 * recog.c: Include "addresses.h".
7977 (preprocess_constraints): Use new base_reg_class function.
7978 * regrename.c: Include "addresses.h".
7979 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7980 functions. Keep track of a new var INDEX_CODE to compute valid
7982 (replace_oldest_value_addr): Likewise.
7983 (replace_oldest_value_mem): Use base_reg_class.
7984 * reload.c: Include "addresses.h".
7985 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7986 (find_reloads): Use new base_reg_class function.
7987 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7988 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7989 all callers and prototype changed.
7990 * reload1.c: Include "addresses.h".
7991 (maybe_fix_stack_asms): Use base_reg_class.
7992 * regclass.c: Include "addresses.h".
7993 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7994 (init_reg_autoinc): Use new base_reg_class function.
7995 (record_reg_classes): Likewise.
7996 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7997 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7998 Use new args to compute necessary class.
8000 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8001 regrename.o, rtl-factoring.o): Update dependencies.
8002 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8003 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8004 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8005 REG_OK_FOR_INDEX_P): Delete documentation.
8007 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8009 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8010 from V7 to V9 for Solaris 7 and above.
8012 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8014 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8015 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8016 argument pointers may not alias any other storage.
8017 * common.opt: Define option -fargument-noalias-anything.
8018 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8019 alias semantics is specified by flag_argument_noalias > 2.
8021 2006-03-20 Jeff Law <law@redhat.com>
8023 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8024 (pass_phi_only_cprop): Declare.
8025 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8027 * tree-ssa-dom.c (degenerate_phi_result): New function.
8028 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8029 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8030 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8031 (eliminate_degenerate_phis): Likewise.
8032 (pass_phi_only_cprop): New pass descriptor.
8033 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8034 support code. Callers updated.
8035 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8036 (store_copy_prop): Likewise.
8037 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8039 2006-03-20 Jason Merrill <jason@redhat.com>
8042 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8043 (push_visibility, pop_visibility): Likewise.
8044 * c-pragma.h: Declare them.
8046 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8048 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8050 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8051 parameter and use get_ebb_head_tail.
8052 (sh_md_init_global): Adjust uses of find_regmode_weight.
8054 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8056 * function.h (struct function) <x_tail_recursion_reentry>:
8057 Rename to x_stack_check_probe_note.
8058 (tail_recursion_reentry): Rename to stack_check_probe_note.
8059 * function.c: Replace tail_recursion_reentry with
8060 stack_check_probe_note everywhere.
8061 (expand_function_start): Only emit a note for
8062 stack_check_probe_note with -fstack-protect.
8063 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8065 * emit-rtl.c (remove_unnecessary_notes): Remove.
8066 (pass_remove_unnecessary_notes): Remove.
8067 * rtl.h (remove_unnecessary_notes): Remove prototype.
8068 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8069 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8070 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8072 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8075 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8076 (valid_in_set): Handle ARRAY_REF.
8077 Change "if min_variant or VH" to asserts.
8078 (create_component_ref_by_pieces): Handle ARRAY_REF.
8079 (create_expression_by_pieces): Likewise.
8080 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8082 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8084 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8085 is operand of switch, not str[0].
8087 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8089 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8090 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8092 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8094 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8095 end of insn_extra_address_constraint declaration.
8097 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8099 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8100 (no-sum-in-toc): Same.
8101 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8103 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8104 NO_FP_IN_TOC for -fPIC instead of mask.
8106 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8107 (BOOT_LDFLAGS): Delete.
8109 * config/rs6000/t-aix52: Same.
8111 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8112 (stmsi[345678]_power): New.
8114 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8116 * config/ia64/ia64.opt: Add empty line to end of file.
8118 2006-03-17 Richard Guenther <rguenther@suse.de>
8121 * builtins.c (get_pointer_alignment): For component style references
8122 adjust alignment to the component type alignment. Make sure
8123 to adjust alignment for component access of constants.
8125 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8127 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8130 2006-03-17 Paul Brook <paul@codesourcery.com>
8132 * doc/install.texi: Docuemnt --with-mode.
8133 * config.gcc: Add --with-mode for arm*-*-*.
8134 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8136 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8138 * sh.c (max_labelno_before_reorg): New variable.
8139 (sh_reorg): Initialize it.
8140 (find_barrier): Check max_labelno_before_reorg before using
8141 label_to_alignment. Take length of explicit alignment insns
8142 into account. When seeing a UNSPECV_CONST_END, return it.
8144 * sh.c (fixup_mova): Set mode of affected label to QImode.
8145 (untangle_mova): New function.
8146 (find_barrier): Use it. Check mode of label before decrementing
8148 (sh_reorg): Likewise.
8149 Set mode of all insns back to VOIDmode.
8151 * sh.c (MOVA_LABELREF): New macro.
8152 (mova_p, fixup_mova, sh_reorg): Use it.
8153 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8154 ADDR_DIFF_VEC matches mova.
8156 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8158 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8159 with ATTRIBUTE_UNUSED.
8161 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8163 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8164 pointer, instead of assuming it is possible to derive the
8165 correct args size from a call insn.
8167 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8169 * rtl.h (CONST_INT_P): Define.
8170 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8171 instead of GET_CODE(x) == CONST_INT.
8172 (vax_rtx_costs): Likewise.
8173 (vax_output_int_move): Likewise.
8174 (vax_output_int_add): Likewise.
8175 (legitimate_constant_address_p): Likewise.
8176 (index_term_p): Likewise.
8177 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8178 * config/vax/vax.md (and<mode>3): Likewise.
8179 (ashrsi3): Likewise.
8181 (movstricthi): Likewise.
8182 (movstrictqi): Likewise.
8183 (rotrsi3): Likewise.
8184 (five unnamed insns): Likewise.
8186 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8188 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8189 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8190 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8191 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8192 Pass to ASM_OUTPUT_DWARF_OFFSET.
8193 * dwarf2out.c (debug_frame_section): New.
8194 (output_call_frame_info): Use debug_frame_section. Pass it to
8195 dw2_asm_output_offset.
8196 (output_die): Pass appropriate section to dw2_asm_output_offset.
8197 (output_compilation_unit_header): Likewise.
8198 (output_pubnames): Likewise.
8199 (output_aranges): Likewise.
8200 (enum dw_val_class): Break dw_val_class_lbl_offset into
8201 dw_val_class_lineptr and dw_val_class_macptr.
8202 (add_AT_lbl_offset): Delete.
8203 (add_AT_lineptr): New.
8204 (add_AT_macptr): New.
8205 (AT_lbl): Expect a lineptr or macptr.
8206 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8207 (attr_checksum): Likewise.
8208 (same_dw_val_p): Likewise.
8209 (size_of_die): Likewise.
8210 (value_format): Likewise.
8211 (output_die): Likewise.
8212 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8214 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8215 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8216 * config/darwin-protos.h (darwin_file_start): New.
8217 (darwin_asm_output_dwarf_offset): New.
8218 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8219 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8221 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8222 if not EH section; simplify.
8223 (darwin_file_start): New.
8224 (darwin_asm_output_dwarf_offset): New.
8225 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8227 (DEBUG_INFO_SECTION): Likewise.
8228 (DEBUG_ABBREV_SECTION): Likewise.
8229 (DEBUG_ARANGES_SECTION): Likewise.
8230 (DEBUG_MACINFO_SECTION): Likewise.
8231 (DEBUG_LINE_SECTION): Likewise.
8232 (DEBUG_LOC_SECTION): Likewise.
8233 (DEBUG_PUBNAMES_SECTION): Likewise.
8234 (DEBUG_STR_SECTION): Likewise.
8235 (DEBUG_RANGES_SECTION): Likewise.
8236 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8237 (ASM_OUTPUT_DWARF_OFFSET): New.
8239 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8241 * config.gcc (tm_defines): Always add to previous value rather
8244 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8246 * config/mips/predicates.md (splittable_const_int_operand): New,
8247 split from move_operand.
8248 (splittable_symbolic_operand): New.
8249 (move_operand): Add commentary. Use splittable_const_int_operand.
8250 Inline mips_atomic_symbolic_constant_p.
8251 * config/mips/mips.md: Add combine splitters for handling moves
8252 of splittable_const_int_operands and splittable_symbolic_operands.
8253 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8254 (mips_split_symbol): Declare.
8255 (mips_move_integer): Declare.
8256 * config/mips/mips.c (mips_split_p): Make global.
8257 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8258 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8259 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8260 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8261 (mips_offset_within_object_p): Handle block symbols.
8262 (mips_atomic_symbolic_constant_p): Delete.
8263 (mips_cannot_force_const_mem): Return false for constants that
8264 mips_legitimize_move can handle.
8265 (mips_use_blocks_for_constant_p): New function.
8266 (mips_split_symbol): Make global.
8267 (mips_move_integer): Likewise. Add a temporary register argument.
8268 (mips_legitimize_const_move): Use splittable_const_int_operand and
8269 splittable_symbolic_operand.
8270 (mips_use_anchors_for_symbol_p): New function.
8271 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8272 (mips_split_p): Declare.
8274 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8276 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8277 (mips*-*-linux*): Likewise.
8279 2006-03-16 Roger Sayle <roger@eyesopen.com>
8280 Daniel Speyer <dspeyer@wam.umd.edu>
8283 * tree-dump.c (dump_real): New function.
8284 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8285 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8286 (tree-dump.o): Add $(REAL_H) to the dependencies.
8288 2006-03-16 Roger Sayle <roger@eyesopen.com>
8291 * real.c (real_from_string): If the mantissa is zero, don't bother
8292 parsing the exponent as the result should always be zero.
8294 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8296 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8298 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8300 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8301 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8302 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8303 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8304 ia64_sched_finish_global): New static functions to implement
8305 hooks from gcc_target.sched.
8306 (spec_check_no, max_uid, pending_data_specs): New static variables.
8307 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8308 ia64_spec_check_src_p): New static functions.
8309 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8310 (TARGET_SCHED_ADJUST_COST): Removed.
8311 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8312 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8313 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8314 TARGET_SCHED_GEN_CHECK,
8315 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8316 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8317 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8318 Fixed to handle speculation checks.
8319 (rtx_needs_barrier): Fixed to handle speculative loads and
8321 (ia64_variable_issue): Added code to count speculative loads and their
8323 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8325 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8327 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8329 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8330 (ia64_reorg): Reset stops_p to NULL after it is freed.
8331 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8332 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8333 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8335 (data_speculative, control_speculative, check_load): New attributes.
8336 (mov<mode>_advanced, mov<mode>_speculative,
8337 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8338 zero_extend<mode>di2_speculative,
8339 zero_extend<mode>di2_speculative_advanced): New patterns for
8340 data and control speculative loads.
8341 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8343 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8344 New pattern for data and control speculation checks.
8345 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8346 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8347 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8348 Auxiliary definitions for the patterns.
8349 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8350 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8352 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8354 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8355 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8356 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8357 New resource constraints.
8358 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8360 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8361 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8362 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8363 msched-in-control-spec, msched-ldc, msched-control-ldc,
8364 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8365 msched-prefer-non-control-spec-insns,
8366 msched-count-spec-in-critical-path): New flags to tune speculative
8368 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8369 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8370 msched-in-control-spec, msched-ldc, msched-control-ldc,
8371 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8372 msched-prefer-non-control-spec-insns,
8373 msched-count-spec-in-critical-path): Document new flags.
8375 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8377 * target.h (struct spec_info_def): New opaque declaration.
8378 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8379 speculate_insn, needs_block_p, gen_check,
8380 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8381 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8382 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8383 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8384 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8385 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8387 (TARGET_SCHED): Use new macros.
8388 * rtl.h (copy_DEPS_LIST_list): New prototype.
8389 * sched-int.h (struct sched_info): Change signature of new_ready field,
8390 adjust all initializations. New fields: add_remove_insn,
8391 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8392 region_head_or_leaf_p.
8393 (struct spec_info_def): New structure declaration.
8394 (spec_info_t): New typedef.
8395 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8396 recovery_block, orig_pat.
8397 (glat_start, glat_end): New variables declaraions.
8398 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8400 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8401 DETACH_LIFE_INFO, USE_GLAT.
8402 (enum SPEC_SCHED_FLAGS): New enumeration.
8403 (NOTE_NOTE_BB_P): New macro.
8404 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8405 attach_life_info, debug_spec_status, check_reg_live): New functions.
8406 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8407 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8409 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8410 * ddg.c (get_block_head_tail): Adjust all uses.
8411 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8412 (sms_sched_info): Initialize new fields.
8413 (contributes_to_priority): Removed.
8414 * haifa-sched.c (params.h): New include.
8415 (get_block_head_tail): Adjust all uses.
8416 (ISSUE_POINTS): New macro.
8417 (glat_start, glat_end): New global variables.
8418 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8419 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8420 old_last_basic_block, before_recovery, current_sched_info_var,
8421 rgn_n_insns, luid): New static variables.
8422 (insn_cost1): New function. Move logic from insn_cost to here.
8423 (find_insn_reg_weight1): New function. Move logic from
8424 find_insn_reg_weight to here.
8425 (reemit_notes, move_insn, max_issue): Change signature.
8426 (move_insn1): Removed.
8427 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8428 extend_bb): New static functions to support extension of scheduler's
8430 (generate_recovery_code, process_insn_depend_be_in_spec,
8431 begin_speculative_block, add_to_speculative_block,
8432 init_before_recovery, create_recovery_block, create_check_block_twin,
8433 fix_recovery_deps): New static functions to support
8434 generation of recovery code.
8435 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8436 restore_bb_notes, move_block_after_check, move_succs): New static
8437 functions to support ebb scheduling.
8438 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8439 functions to support handling of register live information.
8440 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8441 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8442 add_jump_dependencies): New static functions.
8443 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8444 consistancy checking.
8445 (debug_spec_status): New function to call from debugger.
8446 (priority): Added code to handle speculation checks.
8447 (rank_for_schedule): Added code to distinguish speculative instructions.
8448 (schedule_insn): Added code to handle speculation checks.
8449 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8450 Fixed to handle ebbs.
8451 (move_insn): Added code to handle ebb scheduling.
8452 (max_issue): Added code to use ISSUE_POINTS of instructions.
8453 (choose_ready): Added code to choose between speculative and
8454 non-speculative instructions.
8455 (schedule_block): Added code to handle ebb scheduling and scheduling of
8456 speculative instructions.
8457 (sched_init): Initialize new variables.
8458 (sched_finish): Free new variables. Print statistics.
8459 (try_ready): Added code to handle speculative instructions.
8460 * lists.c (copy_DEPS_LIST_list): New function.
8461 * sched-deps.c (extend_dependency_caches): New function. Move logic
8462 from create_dependency_caches to here.
8463 (get_dep_weak, ds_merge): Make global.
8464 * genattr.c (main): Code to output prototype for
8465 dfa_clear_single_insn_cache.
8466 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8467 (output_dfa_clean_insn_cache_func): Code to output
8468 dfa_clear_single_insn_cache function.
8469 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8471 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8473 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8474 New static variables.
8475 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8476 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8478 (ebb_sched_info): Initialize new fields.
8479 (get_block_head_tail): Adjust all uses.
8480 (compute_jump_reg_dependencies): Fixed to use glat_start.
8481 (schedule_ebb): Code to remove unreachable last block.
8482 (schedule_ebbs): Added code to update register live information.
8483 * sched-rgn.c (region_sched_info): Initialize new fields.
8484 (get_block_head_tail): Adjust all uses.
8485 (last_was_jump): Removed. Adjust users.
8486 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8487 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8488 Implement new hooks.
8489 (check_dead_notes1): New static function.
8490 (struct region): New fields: dont_calc_deps, has_real_ebb.
8491 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8492 (BB_TO_BLOCK): Fixed to handle EBBs.
8493 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8494 (ebb_head): New static variable.
8495 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8496 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8498 (compute_dom_prob_ps): New assertion.
8499 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8500 global_live_at_start.
8501 (init_ready_list): New assertions.
8502 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8503 (new_ready): Add support for BEGIN_CONTROL speculation.
8504 (schedule_insns): Fixed code that updates register live information
8506 (schedule_region): Fixed to handle EBBs.
8507 (init_regions): Use extend_regions and check_dead_notes1.
8508 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8509 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8510 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8511 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8512 TARGET_SCHED_GEN_CHECK,
8513 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8514 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8515 * doc/invoke.texi (max-sched-insn-conflict-delay,
8516 sched-spec-prob-cutoff): Document.
8518 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8520 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8521 inter_tick, queue_index.
8522 (struct sched_info): Change signature of init_ready_list field.
8523 Adjust all initializations.
8524 (RESOLVED_DEPS): New access macro.
8525 (ready_add): Remove prototype.
8526 (try_ready): Add prototype.
8527 * sched-rgn.c (init_ready_list): Use try_ready.
8528 (schedule_region): Initialize
8529 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8530 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8531 (init_ready_list): Use try_ready.
8532 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8533 * lists.c (remove_list_elem): Remove `static'.
8534 (remove_free_INSN_LIST_elem): New function.
8535 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8536 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8537 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8539 (readyp): New variable.
8540 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8541 change_queue_index, resolve_dep): New static functions.
8542 (try_ready): New function. Adjust callers in sched-rgn.c and
8543 sched-ebb.c to use it instead of ready_add.
8544 (clock_var): Move at the begining of file.
8545 (rank_for_schedule): Fix typo.
8546 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8547 (ready_lastpos): Enforce assertion.
8548 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8550 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8551 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8552 (queue_to_ready): Use free_INSN_LIST_list.
8553 (early_queue_to_ready): Fix typo.
8554 (schedule_block): Init readyp. Move init_ready_list call after the
8555 initialization of clock_var. Fix error in rejecting insn by
8556 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8557 that previously corrected INSN_TICKs. Add code for handling
8559 (set_priorities): Fix typo.
8560 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8561 Clarify comment and code that keeps current_sched_info->next_tail
8564 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8566 * sched-rgn.c (extend_rgns): New static function.
8567 (find_rgns): Use it.
8568 (gather_region_statistics, print_region_statistics): New static
8570 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8571 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8573 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8574 Andrey Belevantsev <abel@ispras.ru>
8576 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8577 * lists.c (unused_deps_list): New variable.
8578 (free_list): Add assertions to verify the proper distinguishing
8579 between INSN_LISTs and DEPS_LISTs.
8580 (find_list_elem, remove_list_elem, remove_list_node): New static
8582 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8583 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8584 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8585 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8587 (free_INSN_LIST_node): Likewise.
8588 * modulo-sched.c (current_sched_info): Initialize flags field.
8589 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8590 * rtl.def (DEPS_LIST): Define.
8591 * rtl.h: Declare new functions from lists.c.
8592 * sched-deps.c (spec_dependency_cache): New static variable.
8593 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8594 (add_dependence): Change return type to void. Move the logic to ...
8595 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8596 (delete_all_dependences): Add comment about forward_dependency_cache.
8597 Handle spec_dependency_cache. Handle DEPS_LISTs.
8598 (fixup_sched_groups): Clarify the change of priority of output
8599 and anti dependencies.
8600 (sched_analyze_2): Adjust add_dependence calls to create data
8601 speculative dependence.
8602 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8603 Adjust all callers. Handle DEPS_LISTS.
8604 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8605 presence of speculation.
8606 (init_dependency_caches, free_dependency_caches):
8607 Handle spec_dependency_cache.
8608 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8609 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8610 New static functions.
8611 (add_or_update_back_dep, add_or_update_back_forw_dep,
8612 add_back_forw_dep, delete_back_forw_dep): New functions.
8613 * sched-int.h (ds_t, dw_t): New typedefs.
8614 (struct sched_info): Add new field flags.
8615 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8616 Prototype new sched-deps.c functions.
8617 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8618 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8619 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8620 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8621 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8622 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8624 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8626 * sched-rgn.c (current_sched_info): Initialize flags field.
8627 (schedule_insns): Initialize current_sched_info before the sched_init
8629 * sched-ebb.c (current_sched_info): Initialize flags field.
8630 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8631 Call add_or_update_back_dep instead of add_dependence.
8632 Create control speculative dependencies.
8633 (schedule_insns): Initialize current_sched_info before the sched_init
8636 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8638 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8640 (sh_fallback_frame_state): Likewise.
8642 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8644 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8645 Do switch on default_use_cxa_atexit.
8646 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8647 * config/darwin-crt3.o: New.
8648 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8649 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8650 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8652 * config/rs6000/t-darwin: Move crt2.o building to here.
8653 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8654 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8657 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8659 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8660 from '! xxx' to '!xxx' for coding-style conformance.
8661 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8662 (EXTRA_CONSTRAINT): Likewise.
8663 * config/vax/vax.md (four unnamed insns): Likewise.
8665 2006-03-15 Paul Brook <paul@codesourcery.com>
8667 * config/arm/arm.c (minipool_pad): New.
8668 (add_minipool_forward_ref): Include pool alignment padding in address
8670 (push_minipool_fix): Set minipool_pad.
8671 (minipool_pad): Ditto.
8673 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8675 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8676 instead of GET_CODE() == MEM and REG_P() instead of
8678 (print_operand_address): Likewise.
8679 (vax_address_cost): Likewise.
8680 (vax_rtx_costs): Likewise.
8681 (vax_notice_update_cc): Likewise.
8682 (vax_output_int_add): Likewise.
8683 (INDEX_REGISTER_P): Likewise.
8684 (BASE_REGISTER_P): Likewise.
8685 (nonindexed_address_p): Likewise.
8686 (vax_mode_dependent_address_p): Likewise.
8687 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8688 (PRINT_OPERAND): Likewise.
8689 * config/vax/vax.md (ashlsi3): Likewise.
8690 (ashlsi3): Likewise.
8691 (some more unnamed insns): Likewise.
8693 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8695 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8696 iterator-style macro.
8697 (mark_control_dependent_edges_necessary): Update the use of
8698 EXECUTE_IF_CONTROL_DEPENDENT.
8700 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8702 * config/sh/predicates.md (cache_address_operand): Special.
8703 (ua_address_operand): Likewise.
8705 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8707 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8709 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8711 2006-03-15 Andreas Schwab <schwab@suse.de>
8713 * gensupport.c (identify_predicable_attribute): Don't free p_false
8714 when it is still in use.
8716 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8718 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8719 the default setting here.
8721 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8723 * tree-pass.h (pass_cfg): Remove.
8724 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8725 * passes.c (pass_cfg): Don't run it.
8727 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8729 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8730 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8732 (stack_regs_mentioned): Update the uses of
8733 stack_regs_mentioned_data. Don't access the array beyond its
8735 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8736 Don't include gt-reg-stack.h.
8738 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8739 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8741 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8744 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8747 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8749 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8751 2006-03-14 Richard Guenther <rguenther@suse.de>
8753 PR tree-optimization/26672
8754 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8757 2006-03-14 Richard Guenther <rguenther@suse.de>
8759 PR tree-optimization/26667
8760 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8761 node for the callees. Always allow inlining if it will shrink
8764 2006-03-14 Richard Guenther <rguenther@suse.de>
8767 * builtins.c (get_pointer_alignment): Prefer alignment
8768 information from decls over that from types.
8770 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8773 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8775 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8777 * config/rs6000/rs6000.opt (mdlmzb): New option.
8778 (msched-prolog, msched-epilog): Use Var not Mask.
8779 * doc/invoke.texi (-mdlmzb): Document.
8780 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8782 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8783 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8785 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8787 PR rtl-optimization/25739
8788 * bt-load.c (augment_live_range): Free tos pointer.
8790 * gensupport.c (identify_predicable_attribute): Free
8792 * gcov.c (create_file_names): Free name pointer.
8794 2006-03-13 Roger Sayle <roger@eyesopen.com>
8797 * stmt.c (emit_case_nodes): Handle the case where the index is a
8798 CONST_INT, where the comparison mode is specified by the index type.
8800 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8802 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8805 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8807 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8808 (*branch_fp_inverted): Likewise.
8810 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8813 * omp-low.c (expand_omp_for_generic): Mark istart0
8814 and iend0 as addressable.
8816 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8818 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8820 2006-03-13 Jeff Law <law@redhat.com>
8822 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8823 virtual operands are interesting.
8824 (vrp_visit_stmt): Corresponding changes.
8826 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8828 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8830 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8831 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8832 * config/bfin/crti.S: Use it instead of __PIC__.
8833 * config/bfin/crtn.S: Likewise.
8835 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8836 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8838 Lose 'G' modifier for call operand.
8839 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8840 recognize 'G' modifier.
8842 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8845 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8846 * stmt.c (expand_case): Likewise.
8848 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8850 PR rtl-optimization/26254
8851 * loop-invariant.c (seq_insns_valid_p): New function.
8852 (move_invariant_reg): Only emit new code if it is valid.
8854 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8856 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8858 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8859 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8860 (commit_one_edge_insertion): Do not look for loop notes.
8862 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8864 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8865 flag_test_coverage out of loop.
8867 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8869 * final.c (shorten_branches): Remove outdated comment, and turn
8870 the if branch that guards it to continue.
8872 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8874 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8875 * cfgloop.h (struct loop): Remove unused fields.
8877 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8879 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8880 (-dL, -fdump-rtl-loop2): Update the dump file names
8882 * doc/invoke.texi: Update dump file names.
8884 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8886 * predict.c (estimate_probability): Remove.
8887 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8888 * basic-block.h (estimate_probability): Remove prototype.
8889 * passes.c (finish_optimization_passes): Dump branch prediction or
8890 profiling heuristics to the .profile tree dump.
8891 (init_optimization_passes): Unqueue pass_branch_prob.
8893 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8895 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8897 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8898 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8900 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8902 * function.h (frame_offset_overflow): Declare.
8903 * function.c (frame_offset_overflow): New function.
8904 (assign_stack_local_1): Call it to detect that the offset overflows.
8905 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8907 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8909 * config/sh/sh.c: Include alloc-pool.h.
8910 (label_ref_list_pool): New alloc pool.
8911 (label_ref_list_t): New type for lists of labels.
8912 (struct pool_node): Make wend a label_ref_list_t.
8913 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8915 (dump_table): Likewise.
8916 (sh_reorg): Set up the alloc pool before using add_constant and
8917 dump_table, and destroy it when finishing.
8919 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8921 * config/mips/mips.c: Remove redundant comment.
8923 2006-03-10 Jason Merrill <jason@redhat.com>
8926 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8927 the target was declared 'register'.
8929 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8931 * genpreds.c (write_insn_constraint_len): Change definition of
8932 insn_constraint_len to return size_t to match the declaration.
8934 2006-03-10 DJ Delorie <dj@redhat.com>
8936 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8938 (m32c_expand_insv): Fix test for an AND mask.
8940 2006-03-10 Richard Guenther <rguenther@suse.de>
8943 * builtins.c (get_pointer_alignment): Handle component
8944 references for field alignment.
8946 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8948 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8949 when building with libgloss.
8950 (sh*elf): Implement --without-fp option.
8951 (sh64-superh-linux*): Don't multilib.
8953 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8955 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8957 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8959 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8960 Set it when one of the replacement functions returned true.
8961 Return TODO_cleanup_cfg if cfgchanged is true.
8962 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8964 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8966 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8967 instead of gen_lowpart.
8969 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8971 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8973 (mips_output_order_conditional_branch): Declare.
8974 * config/mips/mips.h (MIPS_BRANCH): New macro.
8975 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8976 for the comparison. Use gen_condjump.
8977 (mips_output_conditional_branch): Rework interface to take the
8978 asm templates for a direct branch and the inverse of a direct branch.
8979 (mips_output_order_conditional_branch): New function.
8980 (mips_builtin_branch_and_move): New function.
8981 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8982 branch condition. Use gen_single_cc as the condition for
8983 __builtin_mips_upper_* or __builtin_mips_lower_*.
8984 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8985 Use VOIDmode for the branch condition.
8986 * config/mips/predicates.md (order_operator): New predicate.
8987 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8988 (branch_fp): Rename to...
8989 (*branch_fp): ...this. Remove mode from comparison operator.
8990 Use new mips_output_conditional_branch interface.
8991 (branch_fp_inverted): Rename to...
8992 (*branch_fp_inverted): ...this and update as for *branch_fp.
8993 (*branch_zero<mode>): Rename to...
8994 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8995 Use mips_output_order_conditional_branch. Only accept ordered
8997 (*branch_zero<mode>_inverted): Rename to...
8998 (*branch_order<mode>_inverted): ...this and update as for
8999 *branch_order<mode>.
9000 (*branch_equality<mode>): Accept zero as the second operand to
9001 the equality operator. Use the new mips_output_conditional_branch
9003 (*branch_equality<mode>_inverted): Likewise.
9004 (condjump): New expander.
9005 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9007 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9008 (bc1any2t, bc1any2f): Likewise.
9009 (single_cc): New expander.
9010 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9012 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9014 * doc/md.texi: Update documentation of MIPS constraints.
9015 * config/mips/constraints.md: New file.
9016 * config/mips/mips.md: Include it.
9017 * config/mips/mips.c (mips_char_to_class): Delete.
9018 (override_options): Don't initialize mips_char_to_class.
9019 * config/mips/mips.h (mips_char_to_class): Delete.
9020 (REG_CLASS_FROM_LETTER): Delete.
9021 (CONST_OK_FOR_LETTER_P): Delete.
9022 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9023 (EXTRA_CONSTRAINT_Y): Delete.
9024 (EXTRA_CONSTRAINT_STR): Delete.
9025 (CONSTRAINT_LEN): Delete.
9026 (EXTRA_MEMORY_CONSTRAINT): Delete.
9028 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9030 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9031 original fn's eh regions.
9033 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9035 * fold-const.c (build_range_check): Make sure to use a valid type to
9036 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9039 (range_predecessor): New static function.
9040 (range_successor): Likewise.
9041 (merge_ranges): Use them to compute predecessors and successors of
9044 2006-03-09 Roger Sayle <roger@eyesopen.com>
9047 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9048 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9050 2006-03-08 DJ Delorie <dj@redhat.com>
9052 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9053 (addpsi3): Expand to include memory operands. Remove
9054 reload-specific splits.
9055 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9056 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9057 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9058 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9059 (shift1_qi, shift1_hi, insv): New.
9060 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9061 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9062 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9064 * config/m32c/m32c-protos.h: Update as needed.
9065 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9066 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9067 Fail for unrecognized R* constraints.
9068 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9069 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9070 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9072 (m32c_init_libfuncs): New.
9073 (m32c_legitimate_address_p): Add debug wrapper.
9074 (m32c_rtx_costs): New.
9075 (m32c_address_cost): New.
9076 (conversions): Add 'B' prefix.
9077 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9078 operands, or word regnames for QI operands. 'B' prints bit
9080 (m32c_expand_setmemhi): New.
9081 (m32c_expand_movmemhi): New.
9082 (m32c_expand_movstr): New.
9083 (m32c_expand_cmpstr): New.
9084 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9085 (m32c_expand_neg_mulpsi3): Handle non-ints.
9086 (m32c_cmp_flg_0): New.
9087 (m32c_expand_movcc): New.
9088 (m32c_expand_insv): New.
9089 (m32c_scc_pattern): New.
9090 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9091 a0/a1 out of SIregs.
9092 (STORE_FLAG_VALUE): New.
9093 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9096 * config/m32c/mov.md: Make constraints more liberal.
9097 (zero_extendqihi2): Optimize r0/r1 case.
9098 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9099 * config/m32c/predicates.md (m32c_any_operand): New.
9100 (m32c_nonimmediate_operand): New.
9101 (m32c_hl_operand): New.
9102 (m32c_r3_operand): New.
9105 (memsym_operand): New.
9106 (memimmed_operand): New.
9107 (a_qi_operand): New.
9108 (m32c_eqne_operator): New.
9109 (m32c_1bit8_operand): New.
9110 (m32c_1bit16_operand): New.
9111 (m32c_1mask8_operand): New.
9112 (m32c_1mask16_operand): New.
9113 * config/m32c/blkmov.md: New file.
9114 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9116 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9118 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9119 unsigned to fix signed/unsigned comparison issue in
9120 DWARF2_FRAME_REG_OUT.
9121 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9122 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9124 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9125 of ptr into the ENABLE_CHECKING section.
9127 2006-03-08 Jeff Law <law@redhat.com>
9129 * tree-vrp.c (infer_value_range): Only count pointer uses
9130 and dereferences if -fdelete-null-pointer-checks is enabled.
9132 * tree-vrp.c (find_assert_locations): Infer value ranges for
9133 single use pointers, but do not create ASSERT_EXPRs for them.
9134 When a non-null range is inferred for a pointer, backwards
9135 propagate that range to other equivalent pointers through the
9138 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9141 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9142 language hook targets.
9143 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9144 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9145 if language hook targets were missing.
9147 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9149 * tree-ssa-opfinalize.h: Removed.
9150 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9152 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9153 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9154 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9155 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9156 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9157 finalize_ssa_v_must_def_ops): New.
9159 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9161 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9164 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9166 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9168 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9169 addresses with offsets; reorganize.
9171 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9172 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9173 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9175 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9178 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9180 2006-03-08 Ben Elliston <bje@au.ibm.com>
9182 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9184 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9187 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9190 2006-03-07 Richard Guenther <rguenther@suse.de>
9192 PR tree-optimization/26587
9193 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9195 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9197 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9199 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9201 * hooks.c (hook_bool_mode_rtx_true): New function.
9202 * hooks.h (hook_bool_mode_rtx_true): Declare.
9203 * toplev.c (compile_file): Call output_shared_constant_pool.
9204 * varasm.c (shared_constant_pool): New variable.
9205 (assemble_start_function, assemble_end_function): Remove arguments
9206 from call to output_constant_pool.
9207 (create_constant_pool): New function, split out from...
9208 (init_varasm_status): ...here.
9209 (force_const_mem): Choose between the shared and per-function constant
9210 pools. Set current_function_uses_const_pool when reusing old entries
9211 as well as when creating new ones.
9212 (mark_constant): Ignore data argument.
9213 (mark_constants): Remove pool argument.
9214 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9215 to decide whether the function uses a constant pool.
9216 (output_constant_pool_contents): New function, split out from...
9217 (output_constant_pool): ...here.
9218 (output_shared_constant_pool): New function.
9219 (init_varasm_once): Initialize shared_constant_pool.
9220 * output.h (output_constant_pool): Delete.
9221 (output_shared_constant_pool): Declare.
9222 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9223 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9225 2006-03-06 Nick Clifton <nickc@redhat.com>
9227 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9228 flag_strength_reduce.
9230 2006-03-06 Ben Elliston <bje@au.ibm.com>
9232 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9233 x86_64-*-linux* configurations.
9235 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9236 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9238 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9240 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9242 * basic-block.h: Remove the extern for
9243 rediscover_loops_after_threading.
9245 * cfgloop.c (cancel_loop): Make it static.
9246 * cfgloop.h: Remove the prototype for cancel_loop.
9248 * flow.c (recompute_reg_usage): Make it static.
9249 * rtl.h: Remove the prototype for recompute_reg_usage.
9251 * function.c (use_return_register): Make it static.
9252 * function.h: Remove the prototype.
9254 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9256 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9258 * recog.h: Remove the prototype for
9259 validate_change_maybe_volatile.
9261 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9263 * rtlanal.c (replace_reg): Remove.
9264 * rtl.h: Remove the prototype for replace_reg.
9266 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9268 * regclass.c (reg_scan_update): Remove.
9269 (reg_scan_mark_refs): Remove the last argument.
9270 * rtl.h: Remove the prototype for reg_scan_update.
9272 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9274 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9275 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9276 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9277 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9278 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9279 loop-invariant.c, omp-low.c, opts.c, passes.c,
9280 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9281 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9282 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9283 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9284 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9285 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9287 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9289 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9290 * dwarf2out.h: Remove the prototype for
9291 dwarf2out_add_library_unit_info.
9293 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9295 * tree.c (add_var_to_bind_expr): Remove.
9296 * tree.h: Remove the prototype for add_var_to_bind_expr.
9298 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9300 * regclass.c (n_non_fixed_regs): Remove.
9301 (init_reg_sets_1, globalize_reg): Remove all uses of
9303 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9305 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9307 * rtlanal.c (insns_safe_to_move_p): Remove.
9308 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9310 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9312 * expmed.c (expand_mult_add): Remove.
9313 * expr.h: Remove the prototype for expand_mult_add.
9315 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9317 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9318 and REG_SAVED_VAL_EXP constants.
9319 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9320 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9321 Handle regs stored by value.
9322 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9323 (execute_cfa_program): Handle DW_CFA_val_offset,
9324 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9325 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9326 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9327 (uw_install_context_1): Handle target regs stored by value.
9329 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9331 * tree-sra.c (tree_sra): Return todoflags;
9332 (generate_one_element): Set TODO_update_smt_usage if needed.
9333 (pass_sra): Remove TODO_update_smt_usage.
9334 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9336 (tree_ssa_forward_propagate_single_use_vars): Return
9337 TODO_update_smt_usage if we need to update SMT usage.
9338 (pass_forwprop): Remove TODO_update_smt_usage.
9340 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9342 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9343 (correct_use_link): Remove reference to get_stmt_operands.
9344 (update_stmt_operands): Likewise.
9345 (get_modify_expr_operands): New function factored out of
9346 parse_ssa_operands and get_expr_operands.
9347 Try to create V_MUST_DEFs for LHS by default.
9348 (get_expr_operands) <case MODIFY_EXPR>: Call
9349 get_modify_expr_operands.
9350 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9351 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9352 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9353 get_modify_expr_operands.
9355 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9357 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9358 * tree-flow.h: Remove the prototype for
9359 referenced_var_lookup_if_exists.
9361 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9363 PR rtl-optimization/26345
9365 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9367 2006-03-03 Roger Sayle <roger@eyesopen.com>
9369 PR tree-optimization/26524
9370 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9371 fold_convert to create a constant of the appropriate type.
9373 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9375 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9376 SYMBOL_REF_IN_BLOCK_P.
9377 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9378 of SYMBOL_FLAG_IN_BLOCK.
9379 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9380 instead of SYMBOL_REF_IN_BLOCK_P.
9381 * explow.c (use_anchored_address): Likewise.
9382 * rtl.c (rtx_size): Likewise.
9383 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9384 instead of SYMBOL_FLAG_IN_BLOCK.
9385 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9386 SYMBOL_REF_IN_BLOCK_P.
9387 (assemble_variable): Likewise.
9388 (output_constant_def_contents): Likewise.
9389 (output_constant_pool): Likewise.
9390 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9391 instead of SYMBOL_FLAG_IN_BLOCK.
9392 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9393 SYMBOL_REF_IN_BLOCK_P.
9394 (SYMBOL_REF_BLOCK): Likewise.
9395 (SYMBOL_REF_OFFSET): Likewise.
9396 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9397 SYMBOL_REF_IN_BLOCK_P.
9398 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9399 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9400 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9401 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9403 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9405 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9407 2006-03-02 Roger Sayle <roger@eyesopen.com>
9409 * simplify-rtx.c (simplify_unary_operation): When simplifying
9410 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9411 that we perform the right shift in the appropriate mode, and
9412 then extend or truncate the result to requested mode.
9414 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9416 * gengtype.c (main): Handle double_int type.
9417 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9418 * double-int.c: New file.
9419 * double-int.h: New file.
9420 * system.h: Include doubleint.h.
9421 * Makefile.in (SYSTEM_H): Include double-int.h.
9422 (double-int.o): Add.
9424 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9427 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9430 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9432 * tree-vrp.c (remove_range_assertions): Do not update statements
9435 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9437 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9439 * gcse.c (rest_of_handle_gcse): Ditto.
9440 * except.c (gate_handle_eh): Ditto.
9441 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9442 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9444 2006-03-02 Eric Christopher <echristo@apple.com>
9446 * config/i386/i386.c (machopic_output_stub): Add indirection to
9449 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9453 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9455 Sun Niagara specific optimizations.
9456 * config.gcc: Recognize niagara as target.
9457 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9458 (TARGET_CPU_niagara): Define.
9459 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9460 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9461 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9462 (ASM_CPU_SPEC): Likewise.
9463 (PROCESSOR_NIAGARA): New enum entry.
9464 (REGISTER_MOVE_COST): Handle Niagara.
9465 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9466 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9467 (sparc_override_options): Recognize "niagara", set appropriate
9468 default MASK_* values for it, and align functions to 32-bytes
9469 by default just like ULTRASPARC/ULTRASPARC3.
9470 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9471 (sparc64_initialize_trampoline): Likewise.
9472 (sparc_use_sched_lookahead): Use zero for niagara.
9473 (sparc_issue_rate): Use one for niagara.
9474 * config/sparc/niagara.md: New file.
9475 * config/sparc/sparc.md: Include it.
9476 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9477 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9478 when default cpu is niagara.
9479 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9480 (ASM_CPU_SPEC): Likewise.
9481 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9482 when default cpu is niagara.
9483 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9484 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9485 just like v9/ultrasparc/ultrasparc3.
9486 * doc/invoke.texi: Add documentation for "niagara" and improve
9487 existing documentation for ultrasparc variants.
9489 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9491 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9493 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9495 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9496 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9497 and say that only one is needed.
9498 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9499 * target.h (have_switchable_bss_sections): New hook.
9500 * explow.c (use_anchored_address): Check that the symbol is in a block.
9501 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9502 (bss_noswitch_section): New variables.
9503 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9504 (get_noswitch_section): New function.
9505 (get_block_for_section): Allow SECT to be null.
9506 (unlikely_text_section_p): Use SECTION_STYLE.
9507 (bss_initializer_p): New function.
9508 (get_variable_section): Move earlier in file. Take a new argument,
9509 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9510 Return one of the new *_sections in such cases.
9511 (get_block_for_decl): New function, extracting some logic from
9512 use_blocks_for_decl_p.
9513 (change_symbol_section): Remove in favor of...
9514 (change_symbol_block): ...this new function.
9515 (use_blocks_for_decl_p): Remove checks now performed by
9517 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9518 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9519 (emit_local, emit_bss, emit_common): ...these new functions.
9520 Return true if the alignment was honored.
9521 (emit_tls_common): New function.
9522 (asm_emit_uninitialised): Delete.
9523 (assemble_variable_noswitch): New function, split out from...
9524 (assemble_variable): ...here. Don't make decisions about common
9525 variables here. Globalize all public decls that go into non-common
9526 sections. Check whether SYMBOL_REF_BLOCK is null.
9527 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9528 (output_constant_pool): Likewise.
9529 (init_varasm_once): Initialize the new section variables.
9530 (have_global_bss_p): New function.
9531 (categorize_decl_for_section): Use bss_initializer_p.
9532 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9533 (place_block_symbol): Assert that the symbol must be in a block.
9534 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9535 (TARGET_INITIALIZER): Include it.
9536 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9537 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9538 (SECTION_MACH_DEP): Bump by two.
9539 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9540 (unnamed_section): Mention SECTION_UNNAMED in comment.
9541 (named_section): Likewise SECTION_NAMED.
9542 (noswitch_section_callback): New type.
9543 (noswitch_section): New structure.
9544 (section): Add a noswitch_section alternative.
9545 (SECTION_STYLE): New macro.
9546 (tls_comm_section, comm_section, lcomm_section): Declare.
9547 (bss_noswitch_section, have_global_bss_p): Declare.
9548 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9549 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9551 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9552 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9555 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9557 * tree-vrp.c (execute_vrp): Return value.
9558 * regrename.c (rest_of_handle_regrename): Ditto.
9559 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9560 * tree-complex.c (tree_lower_complex): Ditto.
9561 (tree_lower_complex_O0): Ditto.
9562 * tracer.c (rest_of_handle_tracer): Ditto.
9563 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9564 * postreload.c (rest_of_handle_postreload): Ditto.
9565 * tree-tailcall.c (execute_tail_recursion): Ditto.
9566 (execute_tail_calls): Ditto.
9567 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9568 * tree.h (init_function_for_compilation): Ditto.
9569 * ipa-cp.c (ipcp_driver): Ditto.
9570 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9571 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9572 * final.c (compute_alignments): Ditto.
9573 (rest_of_handle_final): Ditto.
9574 (rest_of_handle_shorten_branches): Ditto.
9575 (rest_of_clean_state): Ditto.
9576 * omp-low.c (execute_expand_omp): Ditto.
9577 (execute_lower_omp): Ditto.
9578 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9579 * ipa-reference.c (static_execute): Ditto.
9580 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9581 * reorg.c (rest_of_handle_delay_slots): Ditto.
9582 (rest_of_handle_machine_reorg): Ditto.
9583 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9584 * flow.c (recompute_reg_usage): Ditto.
9585 (rest_of_handle_remove_death_notes): Ditto.
9586 (rest_of_handle_life): Ditto.
9587 (rest_of_handle_flow2): Ditto.
9588 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9589 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9590 (do_ssa_store_ccp): Ditto.
9591 (execute_fold_all_builtins): Ditto.
9592 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9593 * modulo-sched.c (rest_of_handle_sms): Ditto.
9594 * ipa-pure-const.c (static_execute): Ditto.
9595 * cse.c (rest_of_handle_cse): Ditto.
9596 (rest_of_handle_cse2): Ditto.
9597 * web.c (rest_of_handle_web): Ditto.
9598 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9599 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9600 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9601 * tree-nrv.c (tree_nrv): Ditto.
9602 (execute_return_slot_opt): Ditto.
9603 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9604 (create_structure_vars): Ditto.
9605 * loop-init.c (rtl_loop_init): Ditto.
9606 (rtl_loop_done): Ditto.
9607 (rtl_move_loop_invariants): Ditto.
9608 (rtl_unswitch): Ditto.
9609 (rtl_unroll_and_peel_loops): Ditto.
9610 (rtl_doloop): Ditto.
9611 * gimple-low.c (lower_function_body): Ditto.
9612 (mark_used_blocks): Ditto.
9613 * tree-ssa-sink.c (execute_sink_code): Ditto.
9614 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9615 (cgraph_early_inlining): Ditto.
9616 * global.c (rest_of_handle_global_alloc): Ditto.
9617 * jump.c (cleanup_barriers): Ditto.
9618 (purge_line_number_notes): Ditto.
9619 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9620 (rest_of_handle_if_after_reload): Ditto.
9621 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9622 (tree_ssa_loop_im): Ditto.
9623 (tree_ssa_loop_unswitch): Ditto.
9624 (tree_vectorize): Ditto.
9625 (tree_linear_transform): Ditto.
9626 (tree_ssa_loop_ivcanon): Ditto.
9627 (tree_ssa_empty_loop): Ditto.
9628 (tree_ssa_loop_bounds): Ditto.
9629 (tree_complete_unroll): Ditto.
9630 (tree_ssa_loop_prefetch): Ditto.
9631 (tree_ssa_loop_ivopts): Ditto.
9632 (tree_ssa_loop_done): Ditto.
9633 * predict.c (tree_estimate_probability): Ditto.
9634 * recog.c (split_all_insns_noflow): Ditto.
9635 (rest_of_handle_peephole2): Ditto.
9636 (rest_of_handle_split_all_insns): Ditto.
9637 * tree-eh.c (lower_eh_constructs): Ditto.
9638 * regmove.c (rest_of_handle_regmove): Ditto.
9639 (rest_of_handle_stack_adjustments): Ditto.
9640 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9641 * function.c (instantiate_virtual_regs): Ditto.
9642 (init_function_for_compilation): Ditto.
9643 (rest_of_handle_check_leaf_regs): Ditto.
9644 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9645 (rest_of_handle_gcse): Ditto.
9646 * ipa-type-escape.c (type_escape_execute): Ditto.
9647 * alias.c (rest_of_handle_cfg): Ditto.
9648 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9649 * profile.c (rest_of_handle_branch_prob): Ditto.
9650 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9651 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9652 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9653 * tree-dfa.c (find_referenced_vars): Ditto.
9654 * except.c (set_nothrow_function_flags): Ditto.
9655 (convert_to_eh_region_ranges): Ditto.
9656 (rest_of_handle_eh): Ditto.
9657 * emit-rtl.c (unshare_all_rtl): Ditto.
9658 (remove_unnecessary_notes): Ditto.
9659 * except.h (set_nothrow_function_flags): Ditto.
9660 (convert_to_eh_region_ranges): Ditto.
9661 * cfgexpand.c (tree_expand_cfg): Ditto.
9662 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9663 * tree-ssa-pre.c (do_pre): Ditto.
9664 (execute_fre): Ditto.
9665 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9666 (rest_of_handle_jump2): Ditto.
9667 * tree-sra.c (tree_sra): Ditto.
9668 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9669 (execute_mudflap_function_decls): Ditto.
9670 * tree-ssa-copy.c (do_copy_prop): Ditto.
9671 (do_store_copy_prop): Ditto.
9672 * ipa-prop.h (ipcp_driver): Ditto.
9673 * cfglayout.c (insn_locators_initialize): Ditto.
9674 * tree-ssa-forwprop.c
9675 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9676 * cfglayout.h (insn_locators_initialize): Ditto.
9677 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9678 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9679 (execute_late_warn_uninitialized): Ditto.
9680 * rtl.h (cleanup_barriers): Ditto.
9681 (split_all_insns_noflow): Ditto.
9682 (purge_line_number_notes): Ditto.
9683 (unshare_all_rtl): Ditto.
9684 (remove_unnecessary_notes): Ditto.
9685 (recompute_reg_usage): Ditto.
9686 (variable_tracking_main): Ditto.
9687 * integrate.c (emit_initial_value_sets): Ditto.
9688 * integrate.h (emit_initial_value_sets): Ditto.
9689 * tree-optimize.c (execute_free_datastructures): Ditto
9690 (execute_free_cfg_annotations): Ditto.
9691 (execute_fixup_cfg): Ditto.
9692 (execute_cleanup_cfg_pre_ipa): Ditto.
9693 (execute_cleanup_cfg_post_optimizing): Ditto.
9694 (execute_init_datastructures): Ditto.
9695 * tree-object-size.c (compute_object_sizes): Ditto.
9696 * combine.c (rest_of_handle_combine): Ditto.
9697 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9698 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9699 (rest_of_handle_reorder_blocks): Ditto.
9700 (rest_of_handle_partition_blocks): Ditto.
9701 * var-tracking.c (variable_tracking_main): Ditto.
9702 * tree-profile.c (tree_profiling): Ditto.
9703 * tree-vect-generic.c (expand_vector_operations): Ditto.
9704 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9705 * sched-rgn.c (rest_of_handle_sched): Ditto.
9706 (rest_of_handle_sched2): Ditto.
9707 * basic-block.h (free_bb_insn): Ditto.
9708 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9709 * tree-cfg.c (execute_build_cfg): Ditto.
9710 (remove_useless_stmts): Ditto.
9711 (split_critical_edges): Ditto.
9712 (execute_warn_function_return): Ditto.
9713 (execute_warn_function_noreturn): Ditto.
9714 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9715 * cfgrtl.c (free_bb_for_insn): Ditto.
9716 * passes.c (execute_one_pass): Run additional
9717 todos returned by execute function.
9718 * tree-pass.h (struct tree_opt_pass): Make execute
9721 2006-03-02 Richard Guenther <rguenther@suse.de>
9723 * tree-ssa-alias.c (find_used_portions): Consider taking
9724 the address as making the variable not write-only.
9726 2006-03-02 Nick Clifton <nickc@redhat.com>
9728 * config.gcc (default_use_cxa_atexit): Extend the description of
9729 this configure variable. Set its default value to "yes" for
9730 Linux, NetBSD and ELF targets on the assumption that they will
9731 use C libraries with the __cxa_atexit function.
9733 2006-03-02 Ben Elliston <bje@au.ibm.com>
9735 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9736 parameter as unused to suppress a build warning.
9738 2006-03-02 Ben Elliston <bje@au.ibm.com>
9740 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9743 2006-03-01 Roger Sayle <roger@eyesopen.com>
9746 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9747 declared name, the weak reference name, and the typeof name.
9748 (__gthrw): Avoid expanding the declared name suffix.
9749 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9751 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9753 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9755 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9756 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9757 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9758 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9759 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9760 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9761 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9762 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9763 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9764 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9765 (DW_END_default, DW_END_big, DW_END_little): New.
9766 (DW_END_lo_user, DW_END_hi_user): Define.
9767 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9768 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9769 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9772 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9774 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9776 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9778 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9780 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9782 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9783 to 'symbol_mem_tag'.
9785 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9788 2006-03-01 Roger Sayle <roger@eyesopen.com>
9790 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9792 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9795 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9796 MACHO_DYNAMIC_NO_PIC_P.
9797 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9799 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9802 * config/darwin-protos.h (darwin_asm_output_anchor):
9804 * config/darwin-sections.def (cstring_section):
9805 Add SECTION_MERGE to the flags.
9806 (literal4_section): Likewise.
9807 (literal8_section): Likewise.
9808 (objc_selector_refs_section): Likewise.
9809 (objc_cls_refs_section): Likewise.
9810 * config/darwin.c (darwin_asm_output_anchor): New
9812 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9814 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9816 Fix PR tree-optimization/26443
9817 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9818 to todo and PROP_tmt_usage to properties_destroyed.
9819 * tree-ssa-ccp.c (pass_ccp): Ditto.
9820 (pass_store_ccp): Ditto.
9821 * tree-ssa-dom.c (pass_dominator): Ditto.
9823 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9825 * tree-ssa-operands.c: Cleanup whitespace.
9826 (get_asm_expr_operands): Move before first invocation.
9827 (get_indirect_ref_operands): Likewise.
9828 (get_tmr_operands): Likewise.
9829 (get_call_expr_operands): Likewise.
9830 (append_def): Likewise.
9831 (append_use): Likewise.
9832 (append_v_may_def): Likewise.
9833 (append_v_must_def): Likewise.
9834 (add_call_clobber_ops): Likewise.
9835 (add_call_read_ops): Likewise.
9836 (add_stmt_operand): Likewise.
9837 (add_virtual_operand): Likewise.
9838 (build_ssa_operands): Likewise.
9840 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9845 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9846 with a call expr to ...
9847 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9849 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9851 * tree-vrp.c (extract_range_from_assert): Remove special
9852 handling for types with super-types.
9854 2006-03-01 Ben Elliston <bje@au.ibm.com>
9856 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9857 and powerpc64-*-linux* configurations.
9858 * config/t-dfprules: New file.
9860 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9861 Compile dfp-bit.c from the source directory using -DWIDTH and
9862 $DFP_CFLAGS to control the compilation of that file, rather than
9863 generating width-specific versions in the build directory.
9864 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9865 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9867 2006-02-28 Zack Weinberg <zackw@panix.com>
9869 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9872 2006-02-28 Eric Christopher <echristo@apple.com>
9874 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9875 Set up IN_LIBGCC definition of TARGET_64BIT.
9876 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9878 2006-02-28 Roger Sayle <roger@eyesopen.com>
9881 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9882 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9883 cases via the construction of "expr != 0".
9885 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9887 * alias.c (alias_invariant, alias_invariant_size): Remove.
9888 (record_base_value): Remove.
9889 (memrefs_conflict_p): Don't look at alias_invariant.
9890 (end_alias_analysis): Don't free it.
9891 * alias.h (record_base_value): Remove prototype.
9893 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9894 Adam Nemet <anemet@caviumnetworks.com>
9896 * rtl.h (truncated_to_mode): Declare it.
9897 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9898 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9899 (RTL_HOOKS_INITIALIZER): Include it.
9900 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9901 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9902 reg_truncated_to_mode.
9903 * rtlanal.c (truncated_to_mode): Define it.
9904 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9906 2006-02-28 Jeff Law <law@redhat.com>
9908 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9909 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9910 the range allowed by TYPE_PRECISION.
9912 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9914 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9916 PR tree-optimization/26419
9917 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9920 2006-02-27 Zack Weinberg <zackw@panix.com>
9922 * doc/md.texi: Fix typo in previous change.
9924 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9928 2006-02-27 Zack Weinberg <zackw@panix.com>
9930 * rtl.def (define_constraint, define_register_constraint)
9931 (define_memory_constraint, define_address_constraint): New MD forms.
9932 * gensupport.c (process_rtx): Put define_constraint etc on the
9934 * genpreds.c (process_define_predicate): Adjust comment. Validate
9935 the name, and call validate_exp to validate the expression.
9936 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9937 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9938 all callers changed.
9939 (validate_exp, needs_variable, struct constraint_data)
9940 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9941 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9942 (const_dbl_constraints, constraint_max_namelen)
9943 (have_register_constraints, have_memory_constraints)
9944 (have_address_constraints, have_address_constraints)
9945 (have_extra_constraints, have_const_int_constraints)
9946 (have_const_dbl_constraints, mangle, add_constraint)
9947 (process_define_constraint, process_define_register_constraint)
9948 (write_enum_constraint_num, write_lookup_constraint)
9949 (write_insn_constraint_len, write_regclass_for_constraint)
9950 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9951 (write_insn_extra_memory_constraint)
9952 (write_insn_extra_address_constraint)
9953 (write_satisfies_constraint_fns): New.
9954 (write_tm_preds_h): If we have new-style constraint definitions,
9955 prototype the functions generated from them, and define the
9956 old constraint interface (still used by generic code) in terms of
9958 (write_insn_preds_c): If we have new-style constraint definitions,
9959 generate all relevant functions from those definitions.
9960 (main): Handle define_constraint etc.
9961 * genoutput.c (struct constraint_data, indep_constraints)
9962 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9963 (mdep_constraint_len): New data structures and functions, defined
9964 #ifdef USE_MD_CONSTRAINTS.
9965 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9966 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9967 use new logic to validate operand constraints against constraint
9969 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9971 * defaults.h: If none of the old-style constraint macros are
9972 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9973 old-style macros; and poison REG_CLASS_FROM_LETTER,
9974 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9976 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9977 * doc/md.texi: Document new constraint-definition mechanism and the
9978 C interface it provides. Remove references to old mechanism
9979 elsewhere in the document.
9980 (Machine Constraints): Use pathnames relative to gcc directory,
9981 i.e. config/ARCH/FILE. Change i386 section to refer to
9982 config/i386/predicates.md; update that section to match docstrings.
9983 * doc/tm.texi: Move all documentation of the old constraint-
9984 definition macros to their own section, clearly mark as obsolete.
9986 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9987 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9989 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9990 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9991 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9993 (splits and peepholes): Use satisfies_constraint_*.
9994 * config/i386/i386.c (memory_address_length)
9995 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9997 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9999 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10000 scalar operation to be put back into the loop.
10002 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10005 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10006 (extract_cie_info): Handle S flag in augmentation string.
10007 (execute_cfa_program): If context->signal_frame, execute also
10008 fs->pc == context->ra instructions.
10009 (uw_frame_state_for): If context->signal_frame, don't subtract one
10010 from context->ra to find FDE.
10011 (uw_update_context_1): Set context->signal_frame to
10013 (_Unwind_GetIPInfo): New function.
10014 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10015 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10017 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10018 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10019 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10020 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10021 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10022 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10023 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10024 x86_64_fallback_frame_state): Set fs->signal_frame.
10025 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10026 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10027 (frob_update_context): Likewise. Workaround missing S flag in
10028 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10029 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10030 Remove the psw_addr + 1 hack.
10032 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10034 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10035 with aggregates here.
10036 (find_func_aliases): Remove code for &<aggregate> from here.
10038 2006-02-26 Roger Sayle <roger@eyesopen.com>
10040 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10041 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10042 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10043 as (X & C) ne/eq 0.
10045 2006-02-26 Roger Sayle <roger@eyesopen.com>
10047 PR middle-end/19983
10048 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10050 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10052 * opts.c (decode_options): Do not handle flag_strength_reduce.
10053 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10054 and OPT_fstrength_reduce.
10055 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10056 flag_prefetch_loop_arrays for being nonzero.
10057 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10059 (fprefetch-loop-arrays-rtl): Removed.
10060 (flag_prefetch_loop_arrays): Do not specify the value.
10062 * doc/passes.texi: Update documentation of loop optimizer
10064 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10065 -frerun-loop-opt): Remove.
10067 2006-02-26 Richard Guenther <rguenther@suse.de>
10069 PR tree-optimization/26421
10070 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10071 in function calls that are ADDR_EXPRs as using the whole structure.
10073 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10075 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10076 * tree-pass.h (pass_loop_optimize): Remove.
10077 * passes.c (pass_loop_optimize): Never run it.
10078 * toplev.c (backend_init): Don't call init_loop.
10079 * opts.c (flag_loop_optimize_set): Remove.
10080 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10081 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10082 the old RTL loop optimizer when profiling enabled.
10083 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10084 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10085 pre-headers for the sake of the old RTL loop optimizer.
10086 * Makefile.in: Remove all references to loop.o.
10088 * doc/invoke.texi: Remove all references to -floop-optimize
10089 and -frerun-loop-opt.
10091 2006-02-26 Zack Weinberg <zackw@panix.com>
10093 * doc/md.texi (Machine Constraints): Refer to all files with paths
10094 relative to gcc directory (i.e. config/CPU/file). Add missing
10095 @table @code ... @end table to M32C subsection.
10097 2006-02-26 Roger Sayle <roger@eyesopen.com>
10099 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10101 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10103 2006-02-26 Roger Sayle <roger@eyesopen.com>
10104 James A. Morrison <phython@gcc.gnu.org>
10106 PR middle-end/21137
10107 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10108 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10109 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10110 signedness of the shift operation.
10112 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10114 PR tree-optimization/26359
10115 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10117 2006-02-25 Roger Sayle <roger@eyesopen.com>
10119 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10120 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10121 as X == 0, and some symmetry related transformations.
10122 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10124 2006-02-25 Roger Sayle <roger@eyesopen.com>
10126 PR middle-end/23673
10127 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10128 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10129 symmetry related transformations. Fold (X^C1) == C2 as
10132 2006-02-25 Juergen Weigert <jw@suse.de>
10133 Richard Guenther <rguenther@suse.de>
10135 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10137 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10139 * combine.c (gen_lowpart_or_truncate): Call
10140 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10142 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10144 * doc/invoke.texi: Move -fopenmp description to "Options for
10146 Remove reference to -lgomp.
10148 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10150 * doc/install.texi: Require GNU tar version 1.14.
10152 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10154 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10155 * doc/invoke.texi (C++ Dialect Options): Document
10156 -fno-use-cxa-get-exception-ptr.
10157 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10158 * configure: Regenerate.
10159 * c.opt (fuse-cxa-get-exception-ptr): New.
10160 * c-opts.c (c_common_handle_option): Handle
10161 OPT_fuse_cxa_get_exception_ptr.
10162 * c-common.c (flag_use_cxa_atexit): Update documentation.
10163 (flag_use_cxa_get_exception_ptr): New.
10164 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10165 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10167 (C_COMMON_OVERRIDE_OPTIONS): New.
10169 2006-02-24 Roger Sayle <roger@eyesopen.com>
10171 PR middle-end/24952
10172 * combine.c (try_combine): Explicitly check whether GET_CODE is
10173 a SET or a CLOBBER, instead on checking that it isn't a USE.
10175 2006-02-24 Roger Sayle <roger@eyesopen.com>
10177 * fold-const.c (fold_comparison): New subroutine of fold_binary
10178 containing transformations common to both the equality and
10179 ordering relational operators, factored out of fold_binary.
10180 (fold_binary): Separate out the equality operators (EQ_EXPR
10181 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10182 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10183 transformations common to both.
10184 (fold_div_compare): Fix latent bugs in the previously unreachable
10185 LT_EXPR and GE_EXPR cases.
10187 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10189 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10190 decl libname for clog to __clog on AIX.
10192 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10194 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10197 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10198 output traceback table for thunks. Localise rs6000_stack_info call.
10200 2006-02-23 Roger Sayle <roger@eyesopen.com>
10201 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10203 * gthr-posix.h (__gthrw): Fix typo in comment.
10205 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10207 * doc/cpp.texi (Character sets): Document that we do support
10208 input files to be in any character set.
10210 2006-02-23 Jeff Law <law@redhat.com>
10212 * tree.h (PHI_ARG_NONZERO): Remove.
10213 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10214 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10215 node to the new node.
10217 PR tree-optimization/26425
10218 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10219 min/max, then assume its varying.
10221 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10223 PR rtl-optimization/26316
10224 * rtlanal.c (enum may_trap_p_flags): New.
10225 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10226 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10227 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10228 (may_trap_after_code_motion_p): New function.
10229 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10230 (find_invariant_insn): Use may_trap_after_code_motion_p.
10231 * rtl.h (may_trap_after_code_motion_p): Declare.
10233 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10235 * emit-rtl.c (immed_double_const): Cleanup.
10237 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10239 Fix PR tree-optimization/26376
10240 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10243 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10245 PR middle-end/26412
10246 * gimplify.c (omp_add_variable): Guard variable size decl test with
10247 DECL_SIZE (decl) check.
10249 2006-02-23 Richard Guenther <rguenther@suse.de>
10251 PR middle-end/26439
10252 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10253 like aggregate types.
10255 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10257 * configure.ac: Add --with{,out}-long-double-128 configure option.
10258 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10259 * configure: Rebuilt.
10260 * config.in: Rebuilt.
10261 * doc/install.texi (Options specification): Document
10262 --with-long-double-128.
10264 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10265 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10266 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10267 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10269 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10271 * config/s390/s390.c (override_options): Handle
10272 TARGET_DEFAULT_LONG_DOUBLE_128.
10274 * config/alpha/alpha.c (override_options): Handle
10275 TARGET_DEFAULT_LONG_DOUBLE_128.
10277 * config/sparc/sparc.c (sparc_override_options): Handle
10278 TARGET_DEFAULT_LONG_DOUBLE_128.
10280 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10282 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10283 (real-install-headers-tar, real-install-headers-cpio)
10284 (real-install-headers-cp): New targets.
10286 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10288 * tree.h (variable_section): Delete.
10289 * varasm.c (variable_section): Delete.
10291 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10293 * install.texi: Add notes on install.texi2html.
10294 (Building in parallel): Do not use footnotes.
10296 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10299 * doc/install.texi (Configuration): Document --disable-libgomp.
10301 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10303 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10305 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10307 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10308 (vec_extractv2df_0_sse): New.
10310 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10312 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10313 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10314 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10315 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10316 to the result of the expression.
10317 (def_cfa_1): Adjust.
10318 (frame_pointer_cfa_offset): Rename to...
10319 (frame_pointer_fb_offset): ... this. Adjust all uses.
10320 (convert_cfa_to_loc_list): Rename to...
10321 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10322 Pass it on to build_cfa_loc.
10323 (compute_frame_pointer_to_cfa_displacement): Rename to...
10324 (compute_frame_pointer_to_fb_displacement): ... this. New
10325 offset parameter. Use it in computation.
10326 (gen_subprogram_die): Compute cfa_fb_offset with the new
10327 macro, and use it to compute the fb loc list and the
10330 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10332 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10333 replaced with register_operand.
10334 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10335 non-DREG is expensive.
10336 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10337 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10340 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10342 * doc/install.texi2html: Use set -e.
10344 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10346 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10347 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10348 * doc/invoke.texi (-fshared-data): Delete.
10349 * common.opt (fshared-data): Delete.
10350 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10351 (assemble_static_space): Remove #if 0 code.
10352 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10353 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10354 * config/cris/cris.h: Remove FIXME.
10356 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10358 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10361 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10363 PR middle-end/26379
10364 * combine.c (simplify_shift_const_1): Disable nested shifts
10365 optimization for vector shifts.
10367 2006-02-20 Roger Sayle <roger@eyesopen.com>
10369 PR tree-optimization/26361
10370 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10371 of unsigned integer types.
10373 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10375 * tree-chrec.c (eq_evolutions_p): New.
10376 * tree-chrec.h (eq_evolutions_p): Declared.
10377 * tree-data-ref.c: Fix formatting.
10378 (datadep_stats, dependence_stats): New.
10380 (print_direction_vector): New.
10381 (dump_data_dependence_relation): Use print_direction_vector.
10382 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10383 (compute_subscript_distance): Static.
10384 (initialize_data_dependence_relation): Static. Get the number
10385 of loops surrounding the references from the callers, and initialize
10386 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10387 base_object_differ_p analyzers.
10388 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10389 compute_overlap_steps_for_affine_1_2,
10390 analyze_subscript_affine_affine): Count the classified dependences.
10391 Print a message when a test failed.
10392 (can_use_analyze_subscript_affine_affine): New.
10393 (analyze_siv_subscript): Compute the data dependences on symbolic
10394 scevs that verify can_use_analyze_subscript_affine_affine.
10395 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10396 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10397 Handle symbolic scevs.
10398 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10400 (subscript_dependence_tester): Moved...
10401 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10402 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10403 DDR_SIZE_VECT instead of getting it in parameter.
10404 (subscript_dependence_tester): ... here. Take as a parameter
10405 loop_nest_depth. Call build_classic_dist_vector and
10406 build_classic_dir_vector.
10407 (compute_affine_dependence): Update subscript_dependence_tester
10408 parameters. Update datadep_stats counters. Call
10409 compute_subscript_distance.
10410 (compute_self_dependence): Save the dist and dir vectors. Call
10411 compute_subscript_distance.
10412 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10413 (compute_all_dependences): Reorder parameters as they were before
10414 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10415 compute_subscript_distance. Update the use of
10416 compute_affine_dependence and initialize_data_dependence_relation.
10417 (find_data_references_in_loop): Handle COMPONENT_REF.
10418 (compute_data_dependences_for_loop): Initialize dependence_stats.
10419 Don't call build_classic_dist_vector and build_classic_dir_vector.
10420 Update the parameters of initialize_data_dependence_relation and
10421 compute_all_dependences. Print the statistics from datadep_stats.
10422 (analyze_all_data_dependences): Static. Not used until the pass for
10423 checking the data dependences is contributed.
10424 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10425 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10426 (initialize_data_dependence_relation, compute_affine_dependence,
10427 analyze_all_data_dependences, compute_subscript_distance): Removed.
10428 (print_direction_vector): New.
10429 * lambda.h (gcd): ... here.
10430 (lambda_vector_gcd): Moved here from gcd_vector.
10431 * lambda-code.c (gcd, gcd_vector): Removed.
10432 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10433 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10435 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10437 * ipa-type-escape.c: Tidy some comments and white space.
10438 * tree-ssa-operands.c: Likewise.
10440 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10443 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10444 (dump_decl_name): Do not walk the decl tree chains.
10445 * tree-pass.h (TDF_CHAIN): Remove.
10447 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10449 * Makefile.in (C): Remove
10451 (.PHONY): Remove C and PROTO
10453 2006-02-20 Roger Sayle <roger@eyesopen.com>
10455 PR middle-end/26236
10456 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10457 deprecated CHAR_TYPE tree code.
10459 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10461 * configure.ac (target_list): Add install-info, dvi, html.
10462 * configure: Regenerate.
10464 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10465 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10466 treelang/Make-lang.in: Do not use double-colon rules.
10468 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10470 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10471 (TMT_USED_ALONE): New macro.
10472 * tree-pass.h (PROP_tmt_usage): New property.
10473 (TODO_update_tmt_usage): New todo.
10474 * tree-ssa-alias.c (updating_used_alone): New variable.
10475 (recalculate_used_alone): New function.
10476 (compute_may_aliases): Set updating_used_alone, call
10477 recalculate_used_alone.
10478 * tree-sra.c (pass_sra): Note that this pass destroys
10479 PROP_tmt_usage, and add TODO_update_tmt_usage.
10480 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10481 * tree-flow.h (updating_used_alone): Prototype.
10482 (recalculate_used_alone): Ditto.
10483 * passes.c (execute_todo): Add code to set updating_used_alone,
10484 and call recalculate.
10485 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10486 for clobber if used alone, and add assert to verify used_alone
10489 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10491 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10492 for non tls symbols added.
10493 (legitimize_address): Do nothing for PLUS expressions if one of the
10494 addends is a tls symbol reference.
10496 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10500 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10502 * Makefile.in (BOOTSTRAPPING): New.
10503 (quickstrap): New definition if BOOTSTRAPPING=yes.
10505 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10506 * configure.ac: Substitute all_selected_languages with the languages
10507 that were configured. For all the other variables except
10508 lang_specs_files, include all the languages in the tree.
10509 * configure: Regenerate.
10511 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10512 if there is one. Run the commands to run fixincludes in the same
10515 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10516 * doc/install.texi: Document exact conventions for searching target tools.
10517 Document --with-build-time-tools. Document toplevel bootstrap. Document
10518 something more about building an Ada cross-compiler. Don't list GNU Make
10519 requirements which affect all platforms.
10521 2006-02-19 Roger Sayle <roger@eyesopen.com>
10523 PR middle-end/19543
10524 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10525 only equivalent if the have both the same mode and precision.
10527 2006-02-20 Ben Elliston <bje@au.ibm.com>
10529 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10531 2006-02-19 Roger Sayle <roger@eyesopen.com>
10532 Steven Bosscher <stevenb.gcc@gmail.com>
10534 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10535 constant pool references to identify stack mode constants.
10536 * rtlanal.c (constant_pool_constant_p): New predicate to check
10537 whether operand is a floating point constant in the pool.
10538 * rtl.h (constant_pool_constant_p): Prototype here.
10539 * loop.c (scan_loop): Avoid hoisting constants from the constant
10540 pool on STACK_REGS targets.
10541 (load_mems): Likewise.
10542 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10543 loads into x87 registers expensive in terms of register pressure.
10545 2006-02-19 Roger Sayle <roger@eyesopen.com>
10547 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10548 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10550 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10552 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10553 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10555 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10557 * doc/invoke.texi: Document -fipa-pta.
10558 * common.opt: Add ipa-pta option.
10559 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10560 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10561 (do_ds_constraint): Ditto.
10562 (get_constraint_for): Only add to referenced_vars if
10563 referenced_vars exists.
10564 (insert_into_field_list): Rewrite to do this unsorted.
10565 (insert_into_field_list_sorted): Rename old insert_into_field_list
10567 (create_function_info_for): Use insert_into_field_list_sorted.
10568 (create_variable_info_for): Rewrite so it uses unsorted version,
10569 since the field list is sorted.
10570 (intra_create_variable_infos): Only add to referenced_vars if
10571 referenced_vars exists.
10572 (ipa_pta_execute): Init heapvars, and delete when done.
10573 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10575 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10577 * doc/install.texi: Add missing `@samp'.
10579 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10581 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10584 2006-02-18 Mark Wielaard <mark@klomp.org>
10586 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10587 who added new 4.1 features, bug fixes and integration support.
10589 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10592 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10593 MEM for ABI_V4 pic.
10595 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10597 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10598 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10599 (copy_insn_1): Likewise. Don't copy each field individually.
10601 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10603 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10604 * rtl.c (rtx_size): Rename variable to...
10605 (rtx_code_size): ...this.
10606 (rtx_size): New function.
10607 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10608 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10610 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10611 * rtl.h (rtx_code_size): New variable.
10612 (rtx_size): Change from a variable to a function.
10613 (RTX_SIZE): Rename to...
10614 (RTX_CODE_SIZE): ...this.
10617 PR tree-optimization/17106
10618 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10619 (Anchored Addresses): New section.
10620 * doc/invoke.texi (-fsection-anchors): Document.
10621 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10622 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10623 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10624 * hooks.c (hook_bool_mode_rtx_false): New function.
10625 * hooks.h (hook_bool_mode_rtx_false): Declare.
10626 * gengtype.c (create_optional_field): New function.
10627 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10628 SYMBOL_REF_IN_BLOCK_P is true.
10629 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10630 (min_anchor_offset, max_anchor_offset): Likewise.
10631 (use_anchors_for_symbol_p): New hook.
10632 * toplev.c (compile_file): Call output_object_blocks.
10633 (target_supports_section_anchors_p): New function.
10634 (process_options): Check that -fsection-anchors is only used on
10635 targets that support it and when -funit-at-a-time is in effect.
10636 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10637 if the decl doesn't have one.
10638 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10639 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10640 of force_const_mem through use_anchored_address.
10641 (expand_expr_constant): New function.
10642 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10643 calling expand_expr for INDIRECT_REF.
10644 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10645 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10646 * expr.h (use_anchored_address): Declare.
10647 * loop-unroll.c: Don't declare rtx vectors here.
10648 * explow.c: Include output.h.
10649 (validize_mem): Call use_anchored_address.
10650 (use_anchored_address): New function.
10651 * common.opt (-fsection-anchors): New switch.
10652 * varasm.c (object_block_htab, anchor_labelno): New variables.
10653 (hash_section, object_block_entry_eq, object_block_entry_hash)
10654 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10655 (use_blocks_for_decl_p, change_symbol_section): New functions.
10656 (get_variable_section): New function, split out from assemble_variable.
10657 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10658 use_blocks_for_decl_p say so. Use change_symbol_section if the
10659 symbol has already been created.
10660 (assemble_variable_contents): New function, split out from...
10661 (assemble_variable): ...here. Don't output any code for
10662 block symbols; just pass them to place_block_symbol.
10663 Use get_variable_section and assemble_variable_contents.
10664 (get_constant_alignment, get_constant_section, get_constant_size): New
10665 functions, split from output_constant_def_contents.
10666 (build_constant_desc): Create a block symbol if use_object_blocks_p
10667 says so. Or into SYMBOL_REF_FLAGS.
10668 (assemble_constant_contents): New function, split from...
10669 (output_constant_def_contents): ...here. Don't output any code
10670 for block symbols; just pass them to place_section_symbol.
10671 Use get_constant_section and get_constant_alignment.
10672 (force_const_mem): Create a block symbol if use_object_blocks_p and
10673 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10674 (output_constant_pool_1): Add an explicit alignment argument.
10675 Don't switch sections here.
10676 (output_constant_pool): Adjust call to output_constant_pool_1.
10677 Switch sections here instead. Don't output anything for block symbols;
10678 just pass them to place_block_symbol.
10679 (init_varasm_once): Initialize object_block_htab.
10680 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10681 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10682 (place_block_symbol, get_section_anchor, output_object_block)
10683 (output_object_block_htab, output_object_blocks): New functions.
10684 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10685 (TARGET_ASM_OUT): Include it.
10686 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10687 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10688 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10689 (TARGET_INITIALIZER): Include them.
10690 * rtl.c (rtl_check_failed_block_symbol): New function.
10691 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10692 (block_symbol, object_block): New structures.
10693 (rtx_def): Add a block_symbol field to the union.
10694 (BLOCK_SYMBOL_CHECK): New macro.
10695 (rtl_check_failed_block_symbol): Declare.
10696 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10697 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10698 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10699 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10700 * output.h (output_section_symbols): Declare.
10701 (object_block): Name structure.
10702 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10703 (default_use_anchors_for_symbol_p): Declare.
10704 * Makefile.in (RTL_BASE_H): Add vec.h.
10705 (explow.o): Depend on output.h.
10706 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10707 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10708 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10709 (rs6000_use_blocks_for_constant_p): New function.
10711 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10713 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10715 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10718 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10721 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10723 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10727 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10729 PR middle-end/26334
10730 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10731 instead of DECL_REGISTER.
10733 2006-02-18 Olivier Hainque <hainque@adacore.com>
10736 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10738 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10741 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10742 * opth-gen.awk: Handle Var and InverseMask together.
10743 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10744 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10745 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10746 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10748 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10749 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10750 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10751 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10752 LINUX_DYNAMIC_LINKER): Define.
10753 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10754 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10756 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10757 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10758 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10759 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10760 (TARGET_C99_FUNCTIONS): Don't define.
10761 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10762 GLIBC_DYNAMIC_LINKER.
10763 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10764 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10765 GLIBC_DYNAMIC_LINKER64): Define.
10766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10767 LINUX_DYNAMIC_LINKER64.
10768 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10769 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10770 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10771 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10772 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10774 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10775 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10776 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10777 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10778 and LINUX_DYNAMIC_LINKER32.
10779 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10780 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10781 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10782 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10783 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10785 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10786 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10787 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10788 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10789 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10790 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10791 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10792 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10793 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10794 LINUX_DYNAMIC_LINKER): Define.
10795 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10796 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10797 GLIBC_DYNAMIC_LINKER64): Define.
10798 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10799 LINUX_DYNAMIC_LINKER64.
10800 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10801 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10802 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10803 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10804 LINUX_DYNAMIC_LINKER): Define.
10805 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10806 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10807 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10808 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10809 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10810 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10811 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10812 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10813 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10814 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10815 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10816 * doc/invoke.texi (-muclibc): Remove caveat about supported
10819 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10821 * doc/cpp.texi (__TIMESTAMP__): Document.
10823 2006-02-17 Roger Sayle <roger@eyesopen.com>
10825 PR middle-end/25600
10826 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10827 C is one less than the width of X (and related transformations).
10828 * simplify-rtx.c (simplify_unary_operation_1): Transform
10829 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10830 depending on STORE_FLAG_VALUE, were C is one less then the
10833 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10835 Fix PR tree-optimization/26341
10836 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10837 about NAME_MEMORY_TAG's.
10839 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10842 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10843 with hardware float support, and software float support. Add fcpy
10844 alternative to hardware patterns. Add alternatives to copy between
10845 general and floating-point registers to the 32-bit pattern.
10846 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10847 secondary reload to load a QI or HI mode constant into a floating
10849 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10850 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10852 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10855 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10857 (load_macho_picbase_di): Likewise.
10859 2006-02-16 Jeff Law <law@redhat.com>
10861 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10862 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10863 (ssa_name_nonzero_p): Likewise.
10864 (get_value_range): Return NULL if VRP is not running.
10865 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10866 VRP routines do not discover a range.
10867 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10868 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10869 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10870 (tree_expr_nonnegative_p): Similarly.
10871 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10872 (restore_nonzero_vars_to_original_value): Remove.
10873 (unsafe_associative_fp_binop): Remove.
10874 (tree_ssa_dominator_optimize): Remove initialization and
10875 finalization of nonzero_vars and nonzero_vars_stack.
10876 (dom_opt_initialize_block): No longer push marker on
10877 nonzero_vars_stack.
10878 (dom_opt_finalize_block): No longer call
10879 restore_nonzero_vars_to_original_value.
10880 (record_equivalences_from_phis): No longer look for
10881 nonzero PHI arguments.
10882 (cprop_into_successor_phis): No longer propagate nonzero
10883 property into PHI arguments. Lose unused argument. Caller
10885 (record_equivalences_from_stmt): No longer record nonzero
10886 values for SSA_NAMEs.
10887 (lookup_avail_expr): No longer use nonzero_vars.
10889 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10890 for sizetype when sizetype is unsigned.
10892 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10894 PR rtl-optimization/25603
10895 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10896 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10897 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10898 with new meaning of SETS.
10900 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10905 * config/linux.opt: New file.
10906 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10907 LINUX_DYNAMIC_LINKER): Define.
10908 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10909 * config.gcc (*-*-linux*): Define extra_options.
10910 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10911 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10912 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10913 GLIBC_DYNAMIC_LINKER.
10914 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10915 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10916 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10918 * doc/invoke.texi (GNU/Linux Options): New section.
10920 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10922 * config/sparc/sparc.md (setjmp): Rewrite.
10923 (setjmp_32): Delete.
10924 (setjmp_64): Likewise.
10926 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10928 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10931 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10933 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10936 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10938 PR rtl-optimization/26296
10939 * Makefile.in (loop-invariant.c): Add except.h dependency.
10940 * loop-invariant.c: Include except.h.
10941 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10943 2005-02-16 Paul Brook <paul@codesourcery.com>
10945 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10948 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10950 PR rtl-optimization/25636
10951 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10952 when deciding whether an insn is an initializing insn.
10954 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10956 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10957 (tree_code_size): Ditto.
10958 * tree.h (struct tree_memory_tag): Remove parent_var.
10959 (struct tree_struct_field_tag): New.
10962 (union tree_node): Add sft member.
10963 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10965 (create_sft): Add size and offset argument, set SFT_OFFSET and
10967 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10968 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10969 * tree-flow-inline.h (get_subvar_at): Update for
10970 SFT_OFFSET/SFT_SIZE.
10971 (var_can_have_subvars): Ditto.
10972 (overlap_subvar): Ditto.
10973 * print-tree.c (print_node): Print out interesting things for
10975 * tree-flow.h (struct subvar): Remove offset and size members.
10976 * tree-ssa-operands.c (get_expr_operands): Update for
10977 get_indirect_ref_operands changes.
10978 (get_indirect_ref_operands): Call add_virtual_operand instead of
10979 add_stmt_operand. Only recurse on base var if requested.
10980 (access_can_touch_variable): New function.
10981 (add_stmt_operand): Split virtual operand handling into ...
10982 (add_virtual_operand): Here. Add offset, size, and for_clobber
10983 arguments. Prune alias sets.
10984 (add_call_clobber_ops): Call add_virtual_operand.
10986 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10988 PR middle-end/26300
10989 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10991 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10992 than TREE_CODE as index into omp_clause_num_ops array.
10994 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10996 PR rtl-optimization/26184
10997 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10999 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11000 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11001 must_precede, must_follow and tobe_scheduled.
11004 * opts.c (common_handle_option): Free new_option pointer.
11005 * df-core.c (df_analyze): Free postorder pointer.
11007 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11009 * Makefile.in: Fix the examples about the use of stamps
11011 2006-02-15 Michael Matz <matz@suse.de>
11013 PR middle-end/22275
11015 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11016 influenced by maximum_field_alignment or DECL_PACKED.
11017 (update_alignment_for_field): Ditto.
11018 (place_field): Ditto.
11019 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11022 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11024 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11025 (debug_flow_info): Pass it.
11026 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11027 * bb-reorder.c (reorder_basic_blocks): Likewise.
11028 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11029 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11030 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11031 * gcse.c (gcse_main, bypass_jumps): Likewise.
11032 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11033 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11034 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11035 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11036 * rtl.h (dump_flow_info): Adjust prototype.
11037 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11038 * var-tracking.c (variable_tracking_main): Likewise.
11039 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11040 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11043 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11045 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11048 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11050 PR tree-optimization/26209
11051 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11052 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11054 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11056 2006-02-14 Roger Sayle <roger@eyesopen.com>
11058 PR middle-end/23670
11059 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11060 (X,Y) and the corresponding symmetry related transformations.
11061 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11062 (X,Y) and its symmetry related transformations.
11064 2006-02-14 Roger Sayle <roger@eyesopen.com>
11066 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11069 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11071 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11073 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11076 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11077 support COMDAT group.
11078 * configure: Regenerate.
11080 2006-02-14 Roger Sayle <roger@eyesopen.com>
11082 PR middle-end/26279
11083 PR middle-end/26280
11084 PR middle-end/26283
11085 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11087 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11089 Fix PR tree-optimization/26260
11091 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11093 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11094 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11095 * tree-ssa-structalias.c (create_variable_info_for): Use
11096 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11098 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11100 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11102 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11103 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11104 of the ending condition.
11105 * tree-ssa-loop-manip.c: Include params.h.
11106 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11107 tree_unroll_loop): New functions.
11108 * tree-pass.h (pass_loop_prefetch): Declare.
11109 * loop.c (rest_of_handle_loop_optimize): Test for
11110 -fprefetch-loop-arrays-rtl.
11111 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11112 * timevar.def (TV_TREE_PREFETCH): New timevar.
11113 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11114 pass_loop_prefetch): New.
11115 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11116 (cleanup_tree_cfg_loop): Call scev_reset.
11117 * common.opt (fprefetch-loop-arrays-rtl): Add.
11118 * tree-ssa-loop-prefetch.c: New file.
11119 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11120 (new_temp_expr_table): Initialize expr_vars.
11121 (free_temp_expr_table): Cleanup expr_vars.
11122 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11123 expressions from being merged into one.
11124 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11125 (struct tree_niter_desc): Add control, bound and cmp fields.
11126 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11128 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11129 (tree-cfgcleanup.o): Add SCEV_H dependency.
11130 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11131 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11133 2006-02-14 Richard Guenther <rguenther@suse.de>
11135 PR tree-optimization/26258
11136 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11137 in PHI argument processing.
11139 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11141 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11142 new expression in the requested machine mode.
11144 2006-02-13 Roger Sayle <roger@eyesopen.com>
11146 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11147 directly, instead let do_compare_rtx_and_jump handle this for us.
11148 * expr.c (expand_expr_real_1): Likewise.
11149 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11150 before do_jump_by_parts_greater.
11151 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11152 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11154 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11156 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11158 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11160 PR rtl-optimization/26235
11161 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11162 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11165 2006-02-13 Jeff Law <law@redhat.com>
11167 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11170 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11172 PR middle-end/26092
11173 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11174 twice if decl is a builtin. When trying again, call get_callee_fndecl
11175 first to verify it is still a builtin.
11177 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11179 * dwarf2out.c (base_type_die): Don't add AT_name here.
11180 (subrange_type_die): Don't add AT_name here.
11181 (modified_type_die): Rearrange code flow. Do add AT_name here.
11183 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11185 PR rtl-optimization/26247
11186 PR rtl-optimization/26248
11187 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11189 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11191 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11192 * config/fixtfdi.c: Likewise.
11193 * config/fixunstfdi.c: Likewise.
11194 * config/floatditf.c: Likewise.
11196 2006-02-13 Roger Sayle <roger@eyesopen.com>
11198 PR middle-end/24427
11199 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11200 into (X,C2) if C1 is a subset of the bits of C2. Transform
11201 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11203 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11205 2006-02-13 Josh Conner <jconner@apple.com>
11208 * varasm.c (function_section): Check for section name before
11209 calling select_section on targets that define
11210 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11211 unlikely_text_section instead of hot_function_section if
11212 first_function_block_is_cold.
11214 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11216 PR middle-end/25335
11217 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11219 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11221 PR rtl-optimization/26222
11222 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11223 after tree->rtl expansion.
11224 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11225 before passing it to emit_move_insn.
11227 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11229 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11231 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11232 Clarify documentation.
11233 * c-common.h (warn_write_strings): Remove.
11234 * c-common.c (warn_write_strings): Likewise.
11235 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11238 2006-02-12 Roger Sayle <roger@eyesopen.com>
11240 PR middle-end/25724
11241 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11242 (do_jump_parts_zero_rtx): New function renamed from
11243 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11244 (do_jump_parts_equality_rtx): New function split out from
11245 do_jump_parts_equality. Old implementation renamed as above.
11246 Call do_jump_parts_zero_rtx if either operand is zero.
11247 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11248 do all of the heavy lifting.
11249 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11250 calling either do_jump_by_parts_greater_rtx or
11251 do_jump_by_parts_equality_rtx.
11252 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11253 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11254 moved to do_compare_rtx_and_jump, call it directly.
11255 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11256 mode argument. Call do_compare_rtx_and_jump.
11257 (emit_case_nodes): Update calls to do_jump_if_equal.
11259 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11261 PR rtl-optimization/26225
11262 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11264 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11266 PR rtl-optimization/26232
11267 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11269 2006-02-11 Jason Merrill <jason@redhat.com>
11272 * tree-inline.c (declare_return_variable): Just don't use the
11273 modify target if it's a gimple complex reg and the return slot
11276 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11278 * doc/contrib.texi: Update my entry.
11280 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11282 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11284 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11286 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11289 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11291 * doc/invoke.texi (-floop-optimize2): Removed.
11292 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11293 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11294 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11295 * common.opt (floop-optimize2): Removed.
11296 (fmove-loop-invariants): Enabled by default.
11298 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11300 * tree-if-conv.c (combine_blocks): Free the result of
11301 get_loop_exit_edges.
11303 2006-02-10 Jeff Law <law@redhat.com>
11305 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11307 PR tree-optimization/26213
11308 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11309 loop trying to follow SSA_NAME_VALUE chains.
11311 2006-02-10 Richard Guenther <rguenther@suse.de>
11313 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11314 deal with structures that end in implicitly variable sized arrays.
11316 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11318 PR rtl-optimization/24762
11319 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11322 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11324 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11325 (struct ivopts_data): Add regs_used field.
11326 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11327 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11328 instead of loop_data->regs_used;
11329 (free_loop_data): Do not free aux fields for loops.
11330 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11331 and tree_ssa_iv_optimize_finalize.
11333 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11335 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11337 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11340 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11341 computing the effective result type.
11343 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11345 PR inline-asm/16194
11346 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11347 (tree_overlaps_hard_reg_set): Declare.
11348 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11349 type and signature to match function type expected by walk_tree.
11350 (tree_overlaps_hard_reg_set): New function.
11351 (decl_conflicts_with_clobbers_p): Rename to:
11352 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11353 Use tree_overlaps_hard_reg_set. Changed caller.
11354 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11355 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11356 * cris.c (cris_md_asm_clobbers): Likewise.
11358 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11360 * reload1.c (emit_input_reload_insns): Delete code that tries to
11361 inherit using find_equiv_reg.
11363 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11365 * c-common.h (flag_const_strings): Don't declare.
11366 * c-common.c (flag_const_strings): Remove.
11367 * c.opt (fconst_strings): Remove.
11368 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11369 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11370 (c_common_init_options): Don't set flag_const_strings.
11371 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11373 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11375 * arm.md (tlobits_cbranch): New pattern.
11376 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11377 testing a single bit.
11379 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11382 * tree-ssa-pre.c (create_component_ref_by_pieces):
11383 Handle RETURN_DECL like VAR_DECL.
11385 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11387 PR middle-end/26134
11388 * fold-const.c (fold_indirect_ref_1): Fold
11389 "*(foo *)&complexfoo" to "__real__ complexfoo"
11390 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11392 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11394 * tree-flow-inline.h (var_can_have_subvars):
11395 Volatile variables should not have subvariables.
11397 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11400 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11401 multiplying unsigned values.
11404 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11406 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11408 2006-02-08 Jason Merrill <jason@redhat.com>
11411 * tree.def: Elaborate on difference from MODIFY_EXPR.
11412 * doc/c-tree.texi (INIT_EXPR): Likewise.
11413 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11414 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11415 (gimplify_target_expr): Likewise.
11416 (gimplify_cond_expr): Remove target handling.
11417 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11418 (gimplify_expr): Clobber it here.
11419 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11420 Do return slot optimization if we have an INIT_EXPR.
11423 * tree-inline.c (declare_return_variable): Also clear
11424 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11427 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11429 PR middle-end/22439
11430 * gimplify.c (gimplify_one_sizepos): Fix typo.
11432 2006-02-08 Jeff Law <law@redhat.com>
11434 PR tree-optimization/21417
11435 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11436 across a backedge if the control statement at the end of the
11437 block is data dependent on other statements in the same block.
11438 (record_temporary_equivalences_from_stmts): Remove over-conservative
11439 test for threading across backedges.
11441 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11442 control statement, handle all three special cases in the same
11443 manner as they all have the same desired solution. No longer
11444 special case edge flag updating when the post dominator is
11447 2006-02-08 Roger Sayle <roger@eyesopen.com>
11449 * tree.def (CHAR_TYPE): Remove.
11450 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11451 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11452 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11453 (gen_string_type_die): Delete unreachable function.
11455 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11456 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11457 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11458 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11459 * builtins.c (type_to_class): Likewise.
11460 * fold-const.c (fold_convert, build_range_check,
11461 merge_ranges): Likewise.
11462 * expr.c (count_type_elements): Likewise.
11463 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11464 * stor-layout.c (layout_type): Likewise.
11465 * ipa-type-escape.c (type_to_consider): Likewise.
11466 * gimplify.c (omp_firstprivatize_type_sizes,
11467 gimplify_type_sizes): Likewise.
11468 * explow.c (promote_mode): Likewise.
11469 * tree-sra.c (is_sra_scalar_type): Likewise.
11470 * varasm.c (output_constant): Likewise.
11471 * tree-inline.c (remap_type_1): Likewise.
11472 * convert.c (convert_to_pointer, convert_to_real,
11473 convert_to_integer, convert_to_complex): Likewise.
11475 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11477 * df-scan.c (df_def_record_1): A set destination may
11478 be a parallel regardless of mode.
11480 2006-02-08 Roger Sayle <roger@eyesopen.com>
11483 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11484 * config/mips/_tilib.c: Remove.
11485 * config/fixtfdi.c: New libgcc source file.
11486 * config/fixunstfdi.c: New source file.
11487 * config/floatditf.c: New source file.
11488 * config/floatunditf.c: New souce file.
11489 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11490 files above instead of config/mips/_tilib.c.
11491 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11493 2006-02-08 Jeff Law <law@redhat.com>
11495 PR tree-optimization/26169
11496 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11499 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11501 * df.h (DF_REG_SIZE): Return the length of the initialized
11504 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11506 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11507 __muldf3): Return a correctly signed zero.
11509 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11511 * passes.c (register_one_dump_file): Accept the current properties
11512 instead of pass number. Adjust call to dump_register. Remove
11514 (register_dump_files): Now a wrapper around...
11515 (register_dump_files_1): ... this one. Do not modify the pass
11517 (next_pass_1): Cosmetic fix.
11518 (execute_todo): Keep second parameter only. Use curr_properties
11519 instead of fetching it from the pass structure. Check and set
11521 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11522 instead of fetching it from the pass structure. Fix calls to
11523 execute_todo. Update curr_properties and initialize .vcg RTL dump
11524 after running the pass. Reset last_verified.
11525 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11527 (FIRST_AUTO_NUMBERED_DUMP): New.
11528 (dump_register): Remove "num" parameter, assign it within the
11530 (get_dump_file_name): Modify template for dumps.
11531 * tree-dump.h (dump_register): Adjust prototype.
11532 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11533 (PROP_trees): Add PROP_gimple_lomp.
11534 (TODO_set_props): New.
11535 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11536 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11537 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11539 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11541 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11542 (sparc64-*-linux*): Likewise.
11543 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11544 * config/sparc/t-linux: New file.
11545 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11546 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11547 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11548 -m32 -mlong-double-128.
11550 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11551 * config/alpha/t-linux: New file.
11552 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11554 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11555 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11556 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11557 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11558 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11559 (CPP_ARCH32_SPEC): Remove.
11561 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11563 PR tree-optimization/26145
11564 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11567 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11570 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11571 >= 240000 when generating code for SOM runtime.
11572 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11573 to $$dyncall when generating code for SOM runtime..
11575 2006-02-07 Dirk Mueller <dmueller@suse.com>
11578 * doc/invoke.texi (-Wsequence-point): Update documentation
11579 that -Wsequence-point is implemented for C++ as well.
11581 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11583 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11584 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11585 (LIB_SPEC): Likewise.
11586 * doc/invoke.texi (SPARC options): Document -pthread.
11588 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11590 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11593 2006-02-07 Roger Sayle <roger@eyesopen.com>
11595 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11596 Correct comment describing BOOLEAN_TYPE.
11598 2006-02-07 Dirk Mueller <dmueller@suse.com>
11600 * c.opt: C++ frontend supports -Wdiv-by-zero.
11601 * c-opts.c (c_common_handle_option): Remove dead case.
11603 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11605 * configure.ac (TLS assembler check): Do not enable TLS by
11606 default on SPARC/Solaris before version 10.
11607 * configure: Regenerate.
11609 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11611 * doc/invoke.texi (xl-compat): Document conversion and support
11614 2006-02-07 Jeff Law <law@redhat.com>
11616 * tree-vrp.c (find_conditional_asserts): Update comments.
11617 (simplify_stmt_for_jump_threading): New.
11618 (identify_jump_threads, finalize_jump_threads): New.
11619 (vrp_finalize): Call identify_jump_threads.
11620 (execute_vrp): Call finalize_jump_threads.
11621 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11622 (vrp_element, vrp_data, vrp_element_p): Remove.
11623 (vrp_hash_elt, vrp_variables_stack): Remove.
11624 (vrp_hash, vrp_eq, record_range): Remove.
11625 (simplify_cond_and_lookup_avail_expr): Remove.
11626 (extract_range_from_cond): Remove.
11627 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11628 (simplify_stmt_for_jump_threading): New.
11629 (dom_thread_across_edge): New wrapper.
11630 (tree_ssa_dominator_optimize): No longer initialize or
11631 finalize any of the VRP datastructures. Remove iteration
11632 step and simplify as a result of removal of iteration step.
11633 (pass_dominator): Perform a cfg cleanup after DOM.
11634 (dom_opt_finalize_block): Use the new common routines
11635 for threading jumps. Simplify stack management slightly.
11636 No longer need to unwind VRP state.
11637 (record_equivalences_from_incoming_edge): No longer record
11639 (eliminate_redundant_computations): No longer call
11640 simplify_cond_and_lookup_avail_expr.
11641 * tree-flow.h (potentially_threadable_block): Prototype.
11642 (thread_across_edge): Likewise.
11643 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11644 (tree-ssa-threadedge.o): Add dependencies.
11645 * tree-ssa-threadedge.c: New file.
11646 * passes.c (init_optimization_passes): Merge PHIs before
11647 calling VRP. Run VRP again late in the SSA optimization pipeline.
11649 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11651 * df-core.c (df_set_blocks): Do not dereference function pointers.
11652 (df_finish1): Likewise.
11653 (df_hybrid_search_forward): Likewise.
11654 (df_hybrid_search_backward): Likewise.
11655 (df_iterative_dataflow): Likewise.
11656 (df_analyze_problem): Likewise.
11657 (df_compact_blocks): Likewise.
11658 (df_dump): Likewise.
11659 * df-scan.c (df_rescan_blocks): Likewise.
11660 (df_record_entry_block_defs): Likewise.
11662 * genconditions.c (write_conditions): Guard the definition of
11663 'insn_conditions' with the check on GCC version.
11664 (write_writer): Guard the traversal 'insn_conditions' with
11665 the check on GCC version.
11667 2006-02-07 Richard Guenther <rguenther@suse.de>
11671 2006-01-30 Richard Guenther <rguenther@suse.de>
11673 * gimplify.c (gimplify_target_expr): Handle easy cases
11674 without creating a temporary.
11676 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11678 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11679 use of float in probability computations. Use edge probabilities
11680 in place of statically computed probabilities.
11681 (min_spec_prob): New static variable.
11682 (schedule_insns): Initialize it.
11683 (GET_SRC_PROB): Removed.
11684 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11686 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11689 * config/ia64/unwind-ia64.c: Revert last change.
11690 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11691 (INCOMING_FRAME_SP_OFFSET): Define.
11693 2006-02-06 Roger Sayle <roger@eyesopen.com>
11695 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11697 2006-02-07 Ben Elliston <bje@au.ibm.com>
11699 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11700 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11701 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11702 (ix86_return_in_memory): Handle TDmode.
11703 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11704 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11706 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11708 * reorg.c (dbr_schedule): Use dump_file instead of file.
11710 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11713 * config/ia64/predicates.md (extr_len_operand): New predicate.
11714 * config/ia64/ia64.md (extv): Tighten constraints.
11716 (*tbit_and_2): Ditto.
11717 (*tbit_and_3): Ditto.
11718 (*tbit_or_2): Ditto.
11719 (*tbit_or_3): Ditto.
11720 (*bit_zero): Ditto.
11723 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11726 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11728 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11730 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11731 loop_optimizer_init and loop_optimizer_finalize
11732 * tree-ssa-sink.c (execute_sink_code): Ditto.
11733 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11734 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11735 tree_ssa_loop_done): Ditto.
11736 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11737 * sched-ebb.c: Include output.h.
11738 (schedule_ebbs): Do not use dump argument.
11739 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11740 * loop.c (loop_dump_stream): Removed.
11741 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11743 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11744 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11745 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11746 loop_iterations, strength_reduce, record_biv, record_giv,
11747 final_giv_value, check_final_value, check_ext_dependent_givs,
11748 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11749 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11750 dump_file instead of loop_dump_stream.
11751 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11752 argument dump_file.
11753 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11755 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11756 * haifa-sched.c: Include output.h
11757 (schedule_insns, sched_init): Do not use dump argument.
11758 * mode-switching.c (optimize_mode_switching): Ditto.
11759 * modulo-sched.c (stats_file): Removed.
11760 (print_node_sched_params): Do not call argument dump_file.
11761 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11762 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11764 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11766 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11767 rtl_loop_init, rtl_loop_done): Ditto.
11768 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11769 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11771 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11772 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11773 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11774 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11775 * emit-rtl.c (renumber_insns): Ditto.
11776 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11777 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11778 * regclass.c (regclass): Ditto.
11779 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11780 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11781 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11782 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11784 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11785 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11787 * gcse.c (gcse_file, debug_stderr): Removed.
11788 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11789 rest_of_handle_gcse): Do not use dump argument.
11790 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11791 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11792 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11793 compute_code_hoist_vbeinout, compute_code_hoist_data,
11794 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11795 compute_store_table, build_store_vectors, insert_insn_start_bb,
11796 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11797 store_motion): Use dump_file instead of gcse_file.
11798 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11799 * profile.c (profile_dump_file): Removed.
11800 (branch_prob): Use dump_file instead of profile_dump_file.
11801 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11803 * tree-ssa-copy.c (dump_copy_of): Ditto.
11804 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11805 dump file to life_analysis.
11806 * bt-load.c (branch_target_load_optimize): Ditto.
11807 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11809 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11810 regclass, dbr_schedule): Declaration changed.
11811 * sched-int.h (sched_init): Declaration changed.
11812 * tree-profile.c (tree_profile_dump_file): Removed.
11813 (tree_profile_hooks): Removed profile_dump_file hook.
11814 * rtl-profile (rtl_profile_dump_file): Removed.
11815 (rtl_profile_hooks): emoved profile_dump_file hook.
11816 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11818 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11819 * tree-cfg.c (build_tree_cfg): Ditto.
11820 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11821 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11822 Declaration changed.
11823 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11824 life_analysis and schedule_insns.
11825 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11827 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11829 * config/mips/mips.c (mips_reorg): Ditto.
11830 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11833 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11835 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11836 (s390_mangle_fundamental_type): New.
11837 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11840 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11841 (alpha_mangle_fundamental_type): New.
11842 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11845 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11847 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11849 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11850 (sparc_mangle_fundamental_type): New.
11852 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11854 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11855 (s390x-*-linux*): Likewise.
11856 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11857 * config/s390/t-linux: New file.
11859 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11861 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11862 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11864 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11866 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11867 (ANTIC_SAFE_LOADS): New macro.
11868 (find_or_generate_expression): Add prototype.
11869 (set_contains_value): Allow null set for sake of not always having
11870 to allocate ANTIC_SAFE_LOADS.
11871 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11872 Allow COMPONENT_REF too.
11873 (valid_in_set): Allow COMPONENT_REF.
11874 Check ANTIC_SAFE_LOADS too.
11875 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11876 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11878 (can_PRE_operation): Add COMPONENT_REF.
11879 (create_component_ref_by_pieces): New function.
11880 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11881 (insert_aux): Move AGGREGATE_TYPE_P check here.
11882 (compute_avail): Set bb local stmt uids.
11883 (pass_pre): Use TODO_update_ssa_only_virtuals.
11885 2006-02-06 Ben Elliston <bje@au.ibm.com>
11887 * configure.ac: Unconditionally disable decimal float by default.
11888 * configure: Regenerate.
11890 2006-02-06 Ben Elliston <bje@au.ibm.com>
11892 * read-rtl.c (read_name): Terminate reading on EOF.
11894 2006-02-06 Ben Elliston <bje@au.ibm.com>
11896 * dfp.c (decimal_real_arithmetic): Change second argument type
11897 from int to enum tree_code. Do not always return true, but now
11898 return result of any call to decimal_do helper functions.
11899 * dfp.h (decimal_real_arithmetic): Update prototype.
11901 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11903 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11905 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11908 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11911 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11913 * tree-vrp.c (cfg_loops): Removed.
11914 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11915 Use current_loops instead of cfg_loops. Pass flags to
11916 loop_optimizer_init.
11917 * cfgloopmanip.c (fix_loop_structure): Update only available
11919 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11920 loop_optimizer_init.
11921 * modulo-sched.c (build_loops_structure): Removed.
11922 (sms_schedule): Use loop_optimizer_init.
11923 * loop-init.c (loop_optimizer_init): Use flags to determine
11924 which properties of loops to prepare.
11925 (rtl_loop_init): Pass flags to loop_optimizer_init.
11926 * tree-ssa-sink.c (execute_sink_code): Ditto.
11927 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11928 * tree-ssa-pre.c (init_pre): Ditto.
11929 * cfgloop.h (LOOPS_NORMAL): New.
11930 (loop_optimizer_init): Declaration changed.
11932 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11934 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11935 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11937 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11939 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11941 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11942 * pa/t-pa64: Delete quadlib.c rule.
11943 * pa/x-ada: Revert last change.
11944 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11946 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11948 PR rtl-optimization/26087
11949 * rtlanal.c (canonicalize_condition): Do not cross basic block
11952 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11955 * config/ia64/ia64.c: Include debug.h.
11956 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11957 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11958 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11959 (process_epilogue, process_set, process_for_unwind_directive):
11960 Output unwind info only if requested. Add CFA info if requested.
11961 Add new arguments as needed. Adjust callers.
11962 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11964 (DWARF2_FRAME_INFO): Define to zero.
11965 * config/ia64/unwind-ia64.c: Remove code that compensated for
11966 the CFA offset error fixed above.
11967 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11968 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11969 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11970 -funwind-tables and -fexceptions to enable frame info.
11971 (dwarf2out_frame_init): Define initial CFA even if
11972 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11973 DWARF2_UNWIND_INFO is nonzero, not just defined.
11974 (dwarf2out_frame_finish): Output non-EH call frame info only
11975 if DWARF2_FRAME_INFO is nonzero.
11976 (convert_cfa_to_loc_list,
11977 compute_frame_pointer_to_cfa_displacement): Define even if
11978 unwind info is not supported.
11979 (gen_subprogram_die): Use the above unconditionally. Remove
11980 legacy alternate code.
11981 * toplev.c (compile_file): Compile in call to
11982 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11983 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11985 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11986 Jakub Jelinek <jakub@redhat.com>
11988 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11989 IBM extended float format long double as "g" on powerpc*-linux.
11991 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11994 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11995 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11997 2006-02-03 Jason Merrill <jason@redhat.com>
12000 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12002 PR middle-end/25977
12003 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12004 on the return slot if it's an NRV.
12006 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12008 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12009 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12010 rewrite_use): Do not handle USE_OUTER.
12011 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12012 add_iv_outer_candidates, may_replace_final_value,
12013 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12014 (find_interesting_uses_op): Functionality of
12015 find_interesting_uses_outer_or_nonlin moved here.
12016 (find_interesting_uses_outside): Use find_interesting_uses_op.
12018 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12021 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12023 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12024 Ulrich Weigand <uweigand@de.ibm.com>
12027 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12028 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12029 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12030 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12032 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12033 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12034 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12035 Define secondary reloads for TFmode moves.
12036 (constant_modes): Add TFmode.
12037 (NR_C_MODES): Set to 8.
12038 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12040 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12041 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12042 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12043 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12044 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12045 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12046 (FPR mode macro): Add TFmode.
12047 (DSF mode macro): New.
12048 (<de>, <dee> mode attributes): Removed.
12049 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12050 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12051 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12052 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12053 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12054 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12055 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12056 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12057 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12058 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12059 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12060 "*negabs<mode>2", "sqrt<mode>2"):
12061 Changed <de> to <xde>. R constraint replaced by <Rf>.
12062 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12064 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12065 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12066 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12068 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12069 "extenddftf2", "extendsftf2"): New expanders.
12070 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12071 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12072 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12073 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12075 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12076 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12077 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12078 __floatditf): Add a GCC_4.1.0 symbol version tag.
12079 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12082 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12085 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12086 Use targetm.binds_local_p instead of TREE_PUBLIC.
12088 2006-02-02 Roger Sayle <roger@eyesopen.com>
12090 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12091 on INTEGER_TYPEs to indicate that it denotes a character type.
12092 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12093 signed_char_type_node, unsigned_char_type_node and char_type_node.
12094 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12095 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12096 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12098 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12099 Daniel Berlin <dberlin@dberlin.org>
12101 * tree-tailcall.c (arg_needs_copy_p): New function.
12102 (eliminate_tail_call): Use arg_needs_copy_p.
12103 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12104 (add_virtual_phis): New function.
12106 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12108 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12109 #ignore instead of #scratch for %g7 .register directive.
12111 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12113 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12116 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12118 * flow.c (calculate_global_regs_live): Assert that there aren't any
12121 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12123 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12124 what its name says.
12125 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12126 bsi_after_labels iterator.
12127 * tree-if-conv.c (find_phi_replacement_condition,
12128 replace_phi_with_cond_modify_expr): Likewise.
12129 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12130 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12132 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12134 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12136 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12139 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12140 array after growing it.
12142 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12144 PR middle-end/24901
12145 * fold-const.c (fold_checksum_tree): Change type of buf.
12147 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12149 * reload.c (push_secondary_reload): Initialize t_icode.
12151 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12153 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12154 -msoft-float -mlong-double-128 only issue a warning, but don't
12155 swich to DFmode long double.
12157 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12159 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12160 has a constant equivalent, iterate over equivalents for arg0,
12161 calling simplify_relational_operation and if there's a result
12162 cheaper than X, apply fold_rtx and return the result.
12164 2006-02-01 Jan Hubicka <jh@suse.cz>
12166 * opts.c (no_unit_at_a_time_default): New global variable.
12167 (decode_options): Use it.
12168 * opts.h (no_unit_at_a_time_default): Declare.
12170 2006-02-01 Paul Brook <paul@codesourcery.com>
12172 * function.c (assign_parm_setup_reg): Use function argument promotion
12174 * expr.c (expand_expr_real_1): Use function argument promotion rules
12177 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12179 * gcc.c (process_command): Change j to 'unsigned int'.
12181 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12183 PR middle-end/26001
12184 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12185 Use the corrected index for the character
12186 out of the string constant.
12188 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12190 * mode-switching.c (optimize_mode_switching): Fix size
12191 allocated for bb_info[n_entities].
12193 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12195 * gcc.c (main): Correct type that is allocated for
12196 explicit_link_files.
12198 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12200 * config/s390/s390.c (init_alignment_context): Set
12201 ALIAS_SET_MEMORY_BARRIER on the MEM.
12202 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12204 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12206 PR middle-end/25933
12207 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12209 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12212 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12214 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12215 * regrename.c: Ditto.
12216 * tree-ssa-loop-im.c: Ditto.
12217 * tree-dump.c: Ditto.
12218 * tree-complex.c: Ditto.
12219 * genrecog.c: Ditto.
12220 * tree-ssa-threadupdate.c: Ditto.
12222 * java/class.c: Ditto.
12223 * java/jcf-parse.c: Ditto.
12224 * java/resource.c: Ditto.
12225 * java/except.c: Ditto.
12226 * java/jvspec.c: Ditto.
12227 * java/jcf-write.c: Ditto.
12228 * java/jcf-path.c: Ditto.
12229 * java/gjavah.c: Ditto.
12230 * java/zextract.c: Ditto.
12231 * java/jcf-io.c: Ditto.
12232 * java/jcf.h: Ditto.
12233 * java/buffer.c: Ditto.
12234 * java/lang.c: Ditto.
12235 * java/parse-scan.y: Ditto.
12236 * java/lex.c: Ditto.
12237 * java/lex.h: Ditto.
12238 * cfgloopmanip.c: Ditto.
12239 * postreload-gcse.c: Ditto.
12240 * tree-ssa-loop-manip.c: Ditto.
12241 * postreload.c: Ditto.
12242 * tree-ssa-loop-ch.c: Ditto.
12245 * cppspec.c: Ditto.
12246 * diagnostic.c: Ditto.
12248 * genoutput.c: Ditto.
12250 * cfghooks.c: Ditto.
12251 * cfgloopanal.c: Ditto.
12252 * objc/objc-act.c: Ditto.
12254 * genextract.c: Ditto.
12255 * genautomata.c: Ditto.
12256 * pretty-print.c: Ditto.
12257 * genemit.c: Ditto.
12258 * cgraphunit.c: Ditto.
12260 * df-scan.c: Ditto.
12261 * haifa-sched.c: Ditto.
12262 * dominance.c: Ditto.
12264 * tree-ssa-loop-ivopts.c: Ditto.
12265 * df-core.c: Ditto.
12266 * mode-switching.c: Ditto.
12267 * modulo-sched.c: Ditto.
12269 * ipa-pure-const.c: Ditto.
12271 * fix-header.c: Ditto.
12273 * tree-stdarg.c: Ditto.
12274 * ipa-utils.c: Ditto.
12275 * loop-init.c: Ditto.
12276 * ipa-inline.c: Ditto.
12277 * cfganal.c: Ditto.
12279 * alloc-pool.c: Ditto.
12280 * dwarf2out.c: Ditto.
12282 * genattrtab.c: Ditto.
12283 * tree-ssa-loop-ivcanon.c: Ditto.
12284 * predict.c: Ditto.
12285 * timevar.c: Ditto.
12287 * fortran/gfortranspec.c: Ditto.
12288 * regmove.c: Ditto.
12289 * local-alloc.c: Ditto.
12290 * langhooks.c: Ditto.
12291 * function.c: Ditto.
12292 * tree-vectorizer.c: Ditto.
12294 * ipa-type-escape.c: Ditto.
12296 * tree-if-conv.c: Ditto.
12297 * profile.c: Ditto.
12299 * tree-data-ref.c: Ditto.
12300 * loop-unroll.c: Ditto.
12301 * treelang/treetree.c: Ditto.
12303 * bt-load.c: Ditto.
12304 * ggc-common.c: Ditto.
12306 * coverage.c: Ditto.
12308 * tree-cfgcleanup.c: Ditto.
12309 * tree-ssa-pre.c: Ditto.
12310 * cfgcleanup.c: Ditto.
12311 * loop-invariant.c: Ditto.
12312 * loop-iv.c: Ditto.
12313 * ipa-prop.c: Ditto.
12314 * print-tree.c: Ditto.
12315 * conflict.c: Ditto.
12316 * ggc-page.c: Ditto.
12317 * sched-deps.c: Ditto.
12318 * regclass.c: Ditto.
12319 * tree-object-size.c: Ditto.
12320 * combine.c: Ditto.
12321 * bb-reorder.c: Ditto.
12322 * resource.c: Ditto.
12323 * var-tracking.c: Ditto.
12324 * cfgloop.c: Ditto.
12325 * df-problems.c: Ditto.
12326 * reg-stack.c: Ditto.
12328 * gccspec.c: Ditto.
12329 * sched-rgn.c: Ditto.
12330 * tree-ssa-structalias.c: Ditto.
12331 * tree-ssa-reassoc.c: Ditto.
12332 * config/darwin-c.c: Ditto.
12333 * config/darwin.c: Ditto.
12334 * config/arm/arm.c: Ditto.
12336 * collect2.c: Ditto.
12337 * reload1.c: Ditto.
12339 2006-01-31 Nicolas Pitre <nico@cam.org>
12341 * arm.md (smaxsi3): Make aware of smax_m1.
12344 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12346 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12348 2006-01-31 Richard Guenther <rguenther@suse.de>
12350 * doc/invoke.texi (-msselibm): Document.
12351 * target.h (expand_library_builtin): New target hook.
12352 * builtins.c (expand_builtin): Use expand_library_builtin.
12353 (default_expand_library_builtin): New function.
12354 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12355 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12356 (link_gcc_math_spec): Declare.
12357 (static_specs): Add link_gcc_math_spec.
12358 * expr.h (default_expand_library_builtin): Declare.
12359 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12360 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12361 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12362 * config/i386/i386.opt (msselibm): New target option.
12363 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12364 (ix86_init_sse_abi_builtins): New function.
12365 (ix86_expand_library_builtin): Likewise.
12366 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12367 (override_options): Handle error conditions wrt -msselibm.
12368 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12369 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12370 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12373 2006-01-31 Richard Guenther <rguenther@suse.de>
12374 Paolo Bonzini <bonzini@gnu.org>
12376 * doc/install.texi (--disable-libgcc-math): Document.
12378 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12380 * expr.h (expand_normal): new inline function.
12381 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12382 * dojump.c: use it.
12383 * dwarf2out.c: use it.
12386 * expmed.c: use it.
12387 * except.c: use it.
12388 * config/sparc/sparc.c: use it.
12389 * config/i386/i386.c: use it.
12390 * config/rs6000/rs6000.c: use it.
12391 * config/arm/arm.c: use it.
12392 * config/mips/mips.c: use it.
12393 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12395 2006-01-30 Roger Sayle <roger@eyesopen.com>
12397 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12398 argv to the appropriate type.
12400 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12402 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12405 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12408 * config/s390/s390.c (struct machine_function): New flag
12409 decomposed_literal_pool_addresses_ok_p.
12410 (s390_reorg): Set it before final stage of literal pool transforms.
12411 (s390_decompose_address): Only accept displacements of the form
12412 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12414 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12416 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12417 the comparison routine return.
12419 2006-01-30 Michael Matz <matz@suse.de>
12421 * global.c (find_reg): Only evict for global regs.
12422 Take n_refs into account and dump more info.
12424 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12427 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12428 (pragma_trap, pragma_nosave_low_regs): Likewise.
12429 (current_function_anonymous_args): Likewise.
12430 (sh_deferred_function_attributes): New variable.
12431 (sh_deferred_function_attributes_tail): Likewise.
12432 (print_operand): For '@', look up trap_exit attribute.
12433 (calc_live_regs): Look up trapa_handler attribute. For trapa
12434 handlers, save/restore fpscr, but don't do any other
12435 interrupt-specific saves.
12436 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12437 Fix check for partially saved registers to check for SHmedia.
12438 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12439 (sh_output_function_epilogue): Don't clear any of the removed
12441 (sh_insert_attributes): Don't check pragma_interrupt.
12442 Insert deferred attributes. Check that interrupt attribute is
12443 present for other attributes that require its presence.
12444 (sh_attribute_table): Add new attributes trapa_handler and
12446 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12447 Don't check for pragma_interrupt. Don't store argument.
12448 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12449 (sh_deferred_function_attributes): Declare.
12450 (sh_deferred_function_attributes_tail): Likewise.
12451 * sh.md (sp_switch_1): Add operand. Change generator caller.
12452 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12453 (*return_i): Don't use when trap_exit attribute is in effect.
12454 (*return_trapa): New insn pattern.
12455 * sh-c.c: New file.
12456 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12457 setting c_target_objs and cxx_target_objs.
12458 * t-sh: Add rule for sh-c.o.
12460 2006-01-30 Richard Guenther <rguenther@suse.de>
12463 * gimplify.c (gimplify_target_expr): Handle easy cases
12464 without creating a temporary.
12466 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12468 * vec.h (safe_grow): Remove duplicated line.
12470 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12473 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12474 (expand_omp): ... here.
12475 (expand_omp_parallel): Only remove barriers for combined
12476 parallel+workshare constructs.
12478 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12482 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12483 * tree.c (build_qualified_type): Chain the new type to the original
12484 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12485 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12486 (build_pointer_type_for_mode): Only return unqualified types.
12487 (build_reference_type_for_mode): Likewise.
12489 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12491 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12492 * Makefile.in (CXX_COMPAT_WARN): Define.
12493 * configure: Regenerate.
12495 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12498 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12501 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12503 * toplev.c: Fix thinko.
12505 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12506 Marcin Dalecki <martin@dalecki.de>
12508 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12509 (push_srcloc): Use XNEW.
12510 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12512 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12514 * df-core.c (df_set_blocks): Deleted all variable.
12516 2006-01-28 Ian Lance Taylor <ian@airs.com>
12518 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12519 cgraph_output_pending_asms.
12521 2006-01-28 Zack Weinberg <zackw@panix.com>
12523 * c.opt: Add -W(no-)overlength-strings.
12524 * doc/invoke.texi: Document it.
12525 * c-opts.c (c_common_handle_option): -pedantic implies
12526 -Woverlength-strings, if not explicitly disabled already.
12527 (c_common_post_options): -Woverlength-strings defaults to off, and
12528 is always off for C++.
12529 * c-common.c (fix_string_type): Issue warning about strings longer
12530 than is portable only if warn_overlength_strings. Rearrange code
12531 a little for clarity.
12532 * configure.in: Check for -Wno-overlength-strings as well before
12533 enabling -pedantic in stage 1.
12534 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12535 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12537 * genconditions.c (write_header, write_one_condition)
12538 (write_conditions, write_writer): Consolidate very long strings
12539 that were broken up to fit in C89 portable limit. Don't use
12540 printf when fputs will do.
12542 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12544 * combine.c (simplify_comparison <AND>): Check
12545 TRULY_NOOP_TRUNCATION before start using a subreg.
12547 * config/mips/mips.md (*branch_zero<mode>,
12548 *branch_zero<mode>_inverted, *branch_equality<mode>,
12549 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12550 Remove mode check from comparisons.
12552 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12554 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12556 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12558 * expmed.c (const_mult_add_overflow_p): Remove.
12559 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12561 * recog.c (validate_replace_rtx_subexp): Remove.
12562 * recog.h: Remove the prototype for
12563 validate_replace_rtx_subexp.
12565 * integrate.h: Remove the prototype for
12566 copy_decl_for_inlining.
12567 * rtl.h: Remove the prototype for mark_constant_function.
12568 * tree-vectorizer.h: Remove the prototype for
12569 vect_strip_conversion.
12571 * modulo-sched.c (create_partial_schedule,
12572 free_partial_schedule, reset_partial_schedule): Make them
12575 * hooks.c (hook_bool_rtx_int_false): Remove.
12576 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12578 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12580 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12581 and -mlong-double-128 are incompatible.
12582 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12583 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12584 (TARGET_LIBGCC2_CFLAGS): Define.
12585 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12586 (TARGET_LIBGCC2_CFLAGS): Same.
12587 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12589 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12592 * c-typeck.c (build_binary_op): Perform implicit casts of
12593 operands before shortening them.
12595 * cfgloopmanip.c (split_loop_bb): Remove.
12596 * cfgloop.h: Remove the prototype for split_loop_bb.
12598 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12599 * cfgloop.h: Remove the prototype for
12600 flow_loop_outside_edge_p.
12602 * emit-rtl.c (init_virtual_regs): Make it static.
12603 * function.h: Remove the prototype for init_virtual_regs.
12605 * recog.c (peephole2_optimize): Make it static.
12606 * recog.h: Remove the prototype for peephole2_optimize.
12608 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12610 * df-scan.c (df_record_entry_block_defs): Check if
12611 INCOMING_RETURN_ADDR_RTX is defined.
12613 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12614 Kenneth Zadeck <zadeck@naturalbridge.com>
12616 PR rtl-optimization/24762
12617 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12618 * targhooks.c (hook_void_bitmap): New hook prototype.
12619 * targhoohs.h (hook_void_bitmap): Ditto.
12620 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12621 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12622 * target.h (live_on_entry): New function pointer.
12623 * df-scan.c (df_all_hard_regs): Removed.
12624 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12625 (df_scan_free_internal): Added df->entry_block_defs.
12626 (df_scan_alloc): Ditto.
12627 (df_scan_dump): Ditto.
12628 (df_uses_record): Plumbed flag field properly thru calls.
12629 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12630 This part fixes PR24762.
12631 (df_bb_refs_record): Added code to make the frame and arg
12632 pointers live in EH blocks.
12633 (df_refs_record): Added call to df_record_entry_block_defs.
12634 (df_record_entry_block_defs): New function.
12635 * df-core.c: Added comments to describe new artifical defs.
12636 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12637 (entry_block_defs): New field in struct df.
12638 (df_all_hard_regs): Deleted.
12639 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12640 * df-problems.c (df_ru_bb_local_compute_process_def):
12641 Added code to handle artifical defs in the entry to a function.
12642 (df_ru_bb_local_compute): Ditto.
12643 (df_rd_bb_local_compute_process_def): Ditto.
12644 (df_rd_bb_local_compute): Ditto.
12645 (df_lr_bb_local_compute): Ditto.
12646 (df_ur_bb_local_compute): Ditto.
12647 (df_urec_bb_local_compute): Ditto.
12648 (df_chain_create_bb): Ditto.
12649 (df_ur_local_finalize): Removed entry.
12650 (df_urec_init): Ditto.
12651 (df_urec_local_finalize): Ditto.
12652 (df_ri_bb_compute): Added detection of last use of pseudos.
12653 * Makefile.in (df-scan.o): Updated dependencies.
12654 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12655 * config/mips/mips.c (mips_set_live_on_entry): Added.
12656 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12658 * dce.c (marked_insn_p): Added code to handle artifical defs.
12660 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12662 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12664 (_mm_cvtsi128_si64): Likewise.
12665 (_mm_cvtsd_si64): Likewise.
12666 (_mm_cvttsd_si64): Likewise.
12667 (_mm_cvtsi64_sd): Likewise.
12668 (_mm_cvtsi64_si128): Likewise.
12669 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12670 (_mm_cvtsi64_m64): Likewise.
12671 (_m_to_int64): Likewise.
12672 (_mm_cvtm64_si64): Likewise.
12673 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12674 (_mm_cvttss_si64): Likewise.
12675 (_mm_cvtsi64_ss): Likewise.
12676 (_mm_cvtss_f32): Likewise.
12678 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12680 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12681 for pragma redefine_extname.
12683 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12686 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12687 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12688 -mno-minimal-toc to previous content.
12689 (bispecs): Remove goal.
12690 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12691 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12692 compatibility aliases on powerpc-*-*gnu*.
12693 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12694 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12695 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12696 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12697 (ldblspecs): New goal.
12698 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12699 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12701 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12702 L_sf_to_tf or L_df_to_tf is defined.
12704 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12705 Alan Modra <amodra@bigpond.net.au>
12708 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12709 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12710 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12711 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12712 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12713 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12714 (rs6000_override_options): Initialize rs6000_ieeequad.
12715 Initialize TFmode format to ibm_extended_format if not
12717 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12719 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12720 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12721 (function_arg_advance): IBM long double passed in two FPRs, not
12723 (function_arg): IBM long double passed in FPRs.
12724 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12725 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12726 Only multireg GPR aligned.
12727 (rs6000_init_libfuncs): Enable IBM long double functions if not
12729 (rs6000_generate_compare): Use IBM long double compare if not
12731 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12732 (TARGET_IEEEQUAD): Define.
12733 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12734 not TARGET_IEEEQUAD.
12735 * config/rs6000/rs6000.md: Enable TFmode patterns if
12737 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12738 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12739 and -mlong-double-128 are incompatible.
12740 * doc/invoke.texi (-mabi): Collect options together. Add
12741 ibmlongdouble and ieeelongdouble.
12743 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12745 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12747 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12748 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12749 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12750 * rtl.h (rtunion_def): Remove rt_ptr.
12752 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12753 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12754 * config/i386/winnt.c (i386_pe_mark_dllexport)
12755 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12757 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12759 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12761 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12765 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12766 pthread_key_delete. From John David Anglin. gthrw-ify
12767 pthread_getunique_np only if it it's not a macro. Delete
12769 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12770 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12771 __gthread_objc_condition_signal, __gthread_key_delete): Add
12772 "__attribute__ ((__unused__))" to unused arguments.
12773 (__gthread_recursive_mutex_init_function): Add missing return.
12774 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12775 gthr-posix95.h: Use macro-based approach for name redirection
12776 on targets missing weakref.
12778 2006-01-26 Zack Weinberg <zackw@panix.com>
12780 * genconditions.c (write_header): In generated code, #ifdef out
12781 all includes and fake declarations, except includes of bconfig.h
12782 and system.h, unless GCC_VERSION >= 3001. Do not include
12783 gensupport.h in any case.
12784 (write_conditions): Generate a definition of struct c_test. Add
12785 a comment to the generated #endif.
12786 (write_one_condition): Escape backslashes in string too.
12787 (write_writer): Generated code must escape backslashes and quote
12788 marks (but not newlines) in the strings it writes.
12789 * Makefile.in (build/gencondmd.o): Update dependencies.
12791 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12794 * Makefile.in (insn-automata.o): Add header file dependencies.
12795 * genautomata.c: Add includes.
12797 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12800 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12802 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12804 * configure.ac: Expect target tools paths to be passed from the toplevel
12805 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12807 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12809 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12812 * c.opt (Wpointer-sign): Init to -1.
12813 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12814 OPT_pedantic, to 0 otherwise.
12815 * doc/invoke.texi: Update.
12817 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12819 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12820 constants provided by 80387 instructions in the destination mode.
12822 2006-01-26 Richard Guenther <rguenther@suse.de>
12823 Andrew Pinski <pinskia@physics.uc.edu>
12826 partial PR tree-opt/17064
12827 * tree-ssa-structalias.c (intra_create_variable_infos):
12828 Create heap variables for incoming parameters if
12829 flag_argument_noalias > 1.
12830 (find_what_p_points_to): Look through default defs of
12833 2006-01-26 Jeff Law <law@redhat.com>
12836 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12837 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12838 within the VR_RANGE, use the VR_RANGE as the result, not the
12840 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12841 bounds for the type.
12843 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12845 * tree-ssa-alias.c (maybe_create_global_var): Change
12846 subvar walking to an assertion that we don't have subvar'd variables.
12848 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12851 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12852 Use a new variable, inner. PARM_DECLs are always non-weak.
12854 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12856 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12857 --disable-checking.
12859 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12861 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12863 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12865 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12866 (smax_insn, smin_insn, smax_0, smin_0): New.
12868 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12871 * config/cris/cris.c (cris_order_for_addsi3): New function.
12872 * config/cris/cris-protos.h: Prototype it.
12873 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12874 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12875 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12876 (split for "op.S1 [rx=rx+i],ry (swapped)")
12877 (split for "op(s|u).S1 [rx=rx+i],ry")
12878 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12879 Apply cris_order_for_addsi3 when generating addsi3 insns.
12881 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12883 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12884 (TREE_BLOCK): Add call to EXPR_CHECK.
12886 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12889 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12890 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12891 (dump_omp_clauses): ... here.
12892 (dump_generic_node): Handle OMP_CLAUSE.
12893 * tree.c (omp_clause_num_ops): New.
12894 (omp_clause_code_name): New.
12895 (tree_code_size): Handle OMP_CLAUSE.
12896 (tree_size): Likewise.
12897 (make_node): Document handling of OMP_CLAUSE.
12898 (tree_node_structure): Handle OMP_CLAUSE.
12899 (omp_clause_check_failed): New.
12900 (omp_clause_range_check_failed): New.
12901 (omp_clause_operand_check_failed): New.
12902 (build_omp_clause): New.
12903 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12904 * tree.h (enum omp_clause_code): Declare.
12905 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12906 (OMP_CLAUSE_RANGE_CHECK): Define.
12907 (OMP_CLAUSE_ELT_CHECK): Define.
12908 (omp_clause_check_failed): Declare.
12909 (omp_clause_operand_check_failed): Declare.
12910 (omp_clause_range_check_failed): Declare.
12911 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12912 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12913 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12914 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12915 (OMP_CLAUSE_IF_EXPR): Likewise.
12916 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12917 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12918 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12919 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12920 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12921 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12922 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12923 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12924 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12925 (OMP_CLAUSE_CODE): Define.
12926 (OMP_CLAUSE_SET_CODE): Define.
12927 (OMP_CLAUSE_CODE): Define.
12928 (OMP_CLAUSE_OPERAND): Define.
12929 (struct tree_omp_clause): Declare.
12930 (union tree_node): Add field 'omp_clause'.
12931 * treestruct.def (TS_OMP_CLAUSE): Define.
12932 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12933 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12934 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12935 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12936 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12937 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12938 (OMP_CLAUSE): Define.
12939 * print-tree.c (print_node): Handle OMP_CLAUSE.
12940 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12941 * c-typeck.c: Likewise.
12942 * gimplify.c: Likewise.
12943 * c-omp.c: Likewise.
12944 * tree-nested.c: Likewise.
12945 * tree-inline.c: Likewise.
12946 * c-parser.c: Likewise.
12947 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12950 2006-01-25 Roger Sayle <roger@eyesopen.com>
12952 PR rtl-optimization/25703
12953 * combine.c (try_combine): Handle zero_extract and strict_low_part
12954 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12956 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12958 * global.c: Fix comment typos.
12960 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12963 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12964 Use output_addr_const instead of assemble_name.
12966 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12968 * Makefile.in (sched-vis.o): Update dependencies.
12969 * haifa-sched.c (sched_finish): Clear current_sched_info.
12970 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12971 (dump_flow_info): Call it.
12972 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12974 * basic-block.h (dump_bb_info): Declare.
12975 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12976 option, and apply options only for dump files whose TDF_RTL,
12977 TDF_TREE, or TDF_IPA bits match.
12978 * rtl.h: Declare new functions exported from sched-vis.c.
12979 * sched-vis.c: Enable also if scheduling is not used.
12980 (print_value): Print the mode of registers if not inside scheduling.
12981 (print_insn): Make it work outside the scheduler. Beautify the output
12983 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12985 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12987 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12988 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12989 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12990 depending on the value of CONSTANT_POOL_ADDRESS_P.
12991 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12993 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12994 rather than SYMBOL_REF_DECL.
12995 (rtx_constant_pool): Remove const_rtx_sym_htab.
12996 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12997 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12998 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12999 Remove handling of const_rtx_sym_htab.
13000 (find_pool_constant): Delete.
13001 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13002 rather than find_pool_constant.
13003 (get_pool_constant_for_function): Delete.
13004 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13005 find_pool_constant.
13006 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13007 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13008 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13009 (SYMBOL_REF_CONSTANT): New macro.
13010 (get_pool_constant_for_function): Delete.
13011 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13012 rather than SYMBOL_REF_DECL.
13013 (i386_pe_mark_dllimport): Likewise.
13014 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13015 rather than SYMBOL_REF_DECL.
13016 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13017 (machopic_indirect_call_target): Likewise.
13019 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13021 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13023 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13025 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13027 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13029 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13031 2006-01-24 David Daney <ddaney@avtrex.com>
13034 * configure.ac (enable_tls): New enable option.
13035 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13036 * configure: Regenerate.
13037 * doc/install.texi (--enable-tls): Document new option.
13038 (--disable-tls): Ditto.
13040 2006-01-24 Richard Henderson <rth@redehat.com>
13042 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13043 * alias.c (true_dependence): Respect it.
13044 (canon_true_dependence, write_dependence_p): Likewise.
13045 * builtins.c (get_builtin_sync_mem): Set it.
13047 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13049 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13052 2006-01-24 DJ Delorie <dj@redhat.com>
13054 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13055 for storing constants in single-bit bitfields.
13057 2006-01-25 Ben Elliston <bje@au.ibm.com>
13059 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13061 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13064 * tree-ssa-pre.c (phi_translate): Return NULL
13065 for AGGREGATE_TYPE's.
13067 2006-01-24 Zack Weinberg <zackw@panix.com>
13069 * genautomata.c (process_state_for_insn_equiv_partition):
13070 Use xcalloc for insn_arcs_array.
13071 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13072 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13074 2006-01-24 Richard Henderson <rth@redhat.com>
13076 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13077 update all callers.
13079 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13081 PR rtl-optimization/25890
13082 PR rtl-optimization/25905
13083 * combine.c (expand_compound_operation, expand_field_assignment):
13084 Fail if the bitfield's final position is out of bounds.
13086 2006-01-24 Ian Lance Taylor <ian@airs.com>
13088 PR middle-end/25930
13089 * cgraphunit.c (cgraph_output_in_order): Don't clear
13090 cgraph_asm_nodes until after asm strings have been output.
13092 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13094 * fix-header.c (read_scan_file): Add new parameter imultilib when
13095 calling register_include_chains.
13097 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13099 * omp-low.c: Update documentation.
13101 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13102 Daniel Berlin <dberlin@dberlin.org>
13106 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13107 return from the function.
13109 2006-01-22 Zack Weinberg <zackw@panix.com>
13111 * rtl.def (match_code): Add second argument.
13112 * genpreds.c (write_extract_subexp): New function.
13113 (write_match_code): Add path argument. Use write_extract_subexp.
13114 (write_predicate_expr): Pass path to write_match_code.
13115 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13116 not perform a mode test.
13117 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13118 a subexpression does not constrain the top-level code set.
13119 * read-rtl.c (read_rtx_variadic): New function.
13120 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13121 * doc/md.texi: Document new notation.
13122 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13123 (cmpsi_operand): ... here, using new notation.
13125 2006-01-22 Zack Weinberg <zackw@panix.com>
13127 * varray.c: Remove GENERATOR_FILE #ifdefs.
13129 2006-01-22 Zack Weinberg <zackw@panix.com>
13131 * genautomata.c (output_reserved_units_table): Emit nothing if
13132 description->query_units_num is zero. Remove extra blank line.
13133 (output_cpu_unit_reservation_p): Short circuit
13134 if description->query_units_num is zero.
13136 2006-01-22 Zack Weinberg <zackw@panix.com>
13138 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13139 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13140 nor any of the random handful of variables that used to be necessary
13141 when this program was linked with rtlanal.o. Prune set of forward
13142 function declarations.
13143 (struct attr_desc): Remove static_p field.
13144 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13145 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13146 (attr_string): Do not read the character one past the length of
13148 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13149 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13150 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13151 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13152 (make_automaton_attrs): New.
13153 (main): Do not call into genautomata. Call local gen_bypass
13154 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13155 Remove special case for insn_alts.
13156 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13157 varray.h (leftover from previous change). Prune set of forward
13158 function declarations. Remove state_alts fields from all
13159 structures. Remove state_alts_table from struct automaton.
13160 Make everything except main static. Do not maintain num_dfa_decls.
13161 Do not maintain state_alts fields of various structures.
13162 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13163 (add_arc): Remove state_alts argument. All callers updated.
13164 (output_reserved_units_table): Emit #ifdef here...
13165 (output_tables): ...not here. Don't generate state_alts tables.
13166 (expand_automata): Don't generate attributes.
13167 (write_automata): Don't generate state_alts functions.
13168 (main): New function.
13169 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13170 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13171 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13172 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13173 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13174 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13175 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13176 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13178 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13179 * genattrtab.h: Delete file.
13180 * Makefile.in (OBJS-common): Add insn-automata.o.
13181 (insn-automata.o): New rule.
13182 (simple_generated_c): Add insn-automata.c.
13183 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13184 (genprogmd): Add automata.
13185 (build/genattrtab): Needs no extra objects nor libraries.
13186 (build/genautomata): Needs build/vec.o and -lm.
13188 2006-01-22 Zack Weinberg <zackw@panix.com>
13190 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13191 (output_dfa_max_issue_rate, locked_states_num): Delete.
13192 (struct automaton): Add locked_states field.
13193 (output_dead_lock_vect): Save number of locked states in
13194 automaton->locked_states. If it is zero, don't print anything.
13195 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13196 (output_internal_dead_lock_func): Only test the dead_lock_vect
13197 for automata that have locked states.
13198 (output_statistics): Always print the number of locked states for
13199 each automaton. Calculate total number of locked states here.
13200 (write_automata): Don't call output_dfa_max_issue_rate.
13201 * genattrtab.c: Define length_unit_log as a const variable.
13202 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13203 max_insn_queue_index const.
13204 * final.c (length_unit_log): Declare const.
13205 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13207 2006-01-22 Zack Weinberg <zackw@panix.com>
13209 * genautomata.c: Include vec.h, not varray.h.
13210 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13211 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13212 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13213 VEC_* macros operating on appropriately typed vectors, or to
13214 malloced arrays when the size is known in advance. Const-ify
13215 many char* variables and function arguments. No functional changes.
13216 * Makefile.in (build/varray.o): Delete rule.
13217 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13218 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13220 2006-01-22 Zack Weinberg <zackw@panix.com>
13222 * gensupport.c: Define get_insn_name and record_insn_name here.
13223 (read_md_rtx): Call record_insn_name as appropriate.
13224 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13225 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13226 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13228 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13229 (BUILD_VARRAY): Delete.
13230 (genprognormal): Rename genprogmd. Fold in all programs from
13231 genprognoprint; also attrtab.
13232 (build/genattrtab): Just mention genautomata.o and varray.o.
13233 Reorganize a bit, add comments to make the categories clearer.
13235 2006-01-22 Zack Weinberg <zackw@panix.com>
13237 * genconditions.c (condition_table, add_condition): Delete.
13238 (write_conditions): Don't emit n_insn_conditions nor
13239 insn_elision_unavailable. Issue the gcc version #ifdef here,
13240 inside the table, with no #else clause ...
13241 (write_header): ...not here.
13242 (write_writer): New function.
13243 (main): Don't initialize condition_table. Use add_c_test.
13245 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13246 files on the command line.
13247 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13248 Return -1 if there is no entry in the table, don't abort.
13249 (add_c_test, traverse_c_tests): New functions.
13250 * gensupport.h (insn_elision_unavailable, insn_conditions)
13251 (n_insn_conditions): Delete declarations.
13252 (add_c_test, traverse_c_tests): Declare.
13253 * read-rtl.c: Include gensupport.h.
13254 (read_conditions): New function.
13255 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13256 (read_rtx_1): If we get EOF when we were looking for an initial
13257 open paren, return 0. Call read_conditions when appropriate.
13258 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13259 dummy-conditions.o. Eliminate references to insn-conditions.o,
13260 or change them to build/gencondmd.o, as appropriate. Remove
13261 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13262 from $(simple_generated_c). For all files remaining in those
13263 two lists, add insn-conditions.md to the generator command line.
13264 Give insn-constants.h/s-constants their own rules. Add rules
13265 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13266 (build/read-rtl.o): Depend on gensupport.h.
13267 (genprognormal): Include preds.
13268 (genprogearly): Rename genprognoprint; only difference is now that
13269 they don't link with $(BUILD_PRINT).
13270 * dummy-conditions.c: Delete.
13272 2006-01-22 Zack Weinberg <zackw@panix.com>
13274 * genextract.c: Don't include insn-config.h. Do include vec.h.
13275 Declare vectors of int, char, and locstr.
13276 (locstr): New typedef.
13277 (struct extraction): Make all array fields into bare pointers.
13278 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13279 (insn_code_number): Delete.
13280 (accum_extract): New struct.
13281 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13282 (gen_insn): Take insn_code_number as an argument. Use an
13283 accum_extract structure instead of loading data directly into
13284 a struct extraction, and having to know how big it might get.
13285 (walk_rtx): Operate entirely on an accum_extract structure.
13286 (print_path): Avoid unnecessary use of printf.
13287 (print_header): New function, split out of main. Distinguish
13288 more carefully between an unrecognizable insn and an insn that
13289 has the code number of a define_expand.
13290 (main): Pass insn_code_number to gen_insn. Call print_header
13291 only after parsing. Avoid unnecessary use of printf.
13292 * Makefile.in (build/vec.o): New rule.
13293 (build/genextract): Depend on build/vec.o.
13294 (build/genextract.o): Don't depend on insn-config.h.
13296 2006-01-22 Zack Weinberg <zackw@panix.com>
13298 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13299 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13300 practical. Eliminate per-generator-program link rules.
13302 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13304 PR middle-end/24437
13305 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13306 with a call expr to ...
13307 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13309 2006-01-23 Richard Guenther <rguenther@suse.de>
13311 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13312 before make_edge with conditional EDGE_TRUE_VALUE.
13314 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13315 Jan Hubicka <jh@suse.cz>
13316 Richard Guenther <rguenther@suse.de>
13318 PR rtl-optimization/25654
13319 * cfgexpand.c (aggregate_contains_union_type): New function.
13320 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13321 for structure variables that contain a union type.
13323 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13325 * gengtype.c (new_structure): Return the structure.
13326 (create_option): Add an extra "next" argument.
13327 (create_field): New function.
13328 (adjust_field_rtx_def): Use create_option and create_field.
13329 Remove a now-unnecessary call to find_structure.
13330 (adjust_field_tree_def): Likewise.
13331 (note_yacc_type): Remove an unnecessary call to find_structure.
13332 * gengtype.h (new_structure): Return the structure.
13333 (create_option): Add an extra argument.
13334 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13335 (option): Adjust calls to create_option.
13337 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13339 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13341 2006-01-22 Paul Brook <paul@codesourcery.com>
13342 Peter Barada <peter@the-baradas.com>
13344 * config/m68k/m68k.md: Add Coldfire FPU support.
13345 Define FP mode macro and associated attributes.
13346 Use it for float mode patterns.
13347 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13348 (LIBCALL_VALUE): Use m68k_libcall_value.
13349 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13350 (m68k_function_value): Ditto.
13351 (emit_move_sequence): Ditto.
13352 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13353 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13354 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13355 (MULTILIB_EXCEPTIONS): Ditto.
13356 * config/m68k/m68k.opt: Add mcfv4e.
13357 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13358 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13359 (m68k_output_function_prologue): Save ColdFire FPU registers.
13360 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13361 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13362 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13363 ColdFire FPU registers.
13364 (m68k_libcall_value, m68k_function_value): New functions.
13365 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13366 (LIBCALL_VALUE): Use m68k_libcall_value.
13367 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13368 (MASK_COLDFIRE): Add MASK_CFV4E.
13369 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13370 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13371 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13372 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13373 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13374 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13375 * doc/invoke.tex: Document -mcfv4e on m68k.
13377 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13379 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13382 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13385 * c-opts.c (c_common_handle_option): Don't include
13386 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13387 * doc/invoke.texi (C++ Dialect Options): Document that
13388 -Wnon-virtual-dtor is no longer included in -Wall.
13390 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13392 * gcov.c (print_version), gcov-dump.c (print_version),
13393 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13396 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13398 * df-scan.c (problem_SCAN): Added NULL reset function.
13399 (df_scan_reset_blocks): Added code to call reset block function
13400 (df_bb_refs_delete) Fixed comment.
13401 (df_insn_refs_delete): Made tolerant of deleting non existent info
13402 for dataflow problems that need to be reset.
13403 * df-core.c (df_set_blocks): Ditto.
13404 * df.h (struct df_problem): Added reset_fun.
13405 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13406 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13407 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13408 functions to clear out all references to def-use or use-def chains.
13410 2006-01-21 Ben Elliston <bje@au.ibm.com>
13412 * varasm.c (assemble_real): Initialise data array.
13414 2006-01-20 Paul Brook <paul@codesourcery.com>
13416 Merge from csl-arm-branch.
13417 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13418 * config/arm/arm.md (movdi): Force operands[1] to a register
13419 if we have a non-register source.
13420 (*arm_movdi, *movdf_soft_insn): Require that one of the
13421 operands be a register.
13422 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13423 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13425 2006-01-20 DJ Delorie <dj@redhat.com>
13427 * varasm.c (initializer_constant_valid_p): Allow pointers
13428 initialized from integer constants of lesser precision.
13429 (output_constant): Allow non-int-sized pointer modes to be
13430 initialized from integer constants.
13432 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13435 * cppdefault.h (struct default_include): Add multilib flag.
13436 * cppdefault.c (cpp_include_defaults): Set it.
13437 * c.opt (-imultilib): New option.
13438 * c-opts.c (imultilib): New.
13439 (c_common_handle_option): Handle -imultilib.
13440 (c_common_post_options): Likewise.
13441 * c-incpath.c (add_standard_paths, register_include_chains):
13443 * c-incpath.h (register_include_chains): Add extra parameter.
13444 * gcc.c (do_spec_1): Generate -imultilib option.
13445 (The Specs Language): Update %I description.
13446 (process_command): Update copyright notice.
13447 * doc/cppopts.texi (-imultilib): Document.
13448 * doc/invoke.texi (-imultilib): Include in option summary.
13449 (%I): Update specs documentation.
13451 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13453 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13455 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13457 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13460 2006-01-20 Richard Guenther <rguenther@suse.de>
13461 Steven Bosscher <stevenb.gcc@gmail.com>
13463 PR rtl-optimization/24626
13464 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13465 EDGE_TRUE_VALUE if in RTL mode.
13468 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13469 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13471 2006-01-20 Dirk Mueller <dmueller@suse.com>
13474 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13475 instead of a special NOP marker.
13476 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13477 NOP marker handling.
13478 * c-common.h (empty_body_warning): Add forward declaration.
13479 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13480 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13482 2006-01-20 Paul Brook <paul@codesourcery.com>
13484 * Makefile.in (lang_checks): Keep going if mkdir fails.
13486 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13488 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13489 be able to clean out basic block when not necessary.
13490 (df_scan_free): Fixed to properly delete information if df is
13491 unused before calling df_finish.
13492 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13493 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13495 (df_bb_refs_delete): New function.
13496 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13497 * df-core.c (df_set_blocks): Added code to properly clean out
13498 unused blocks if they are not part of the blocks to consider.
13499 Added additional null check.
13500 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13501 be able to clean out basic block when not necessary
13502 * df.h (df_free_bb_function): Ditto.
13503 (df_bb_refs_delete): New function.
13504 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13505 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13506 basic block parameter to be able to clean out basic block when not
13508 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13509 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13510 Fixed to properly delete information if df is unused before
13513 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13515 PR rtl-optimization/25799
13516 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13517 Corrected confluence operator to remove bits from op2 before oring
13518 with op1 rather than removing bits from op1.
13519 (df_ru_transfer_function): Corrected test on wrong bitmap which
13520 caused infinite loop. Both of these problems were introduced in
13521 the dataflow rewrite.
13523 2006-01-19 DJ Delorie <dj@redhat.com>
13525 * reload1.c (find_reload_regs): Note the details of reload
13526 failures in the dump file.
13527 (spill_failure): Likewise.
13529 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13531 * loop-iv.c: Include df.h and hashtab.h.
13532 (enum iv_grd_result): New enum.
13533 (DF_REF_IV, DF_REF_IV_SET): New macros.
13534 (struct biv_entry): New.
13535 (df, bivs): New global variables.
13536 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13537 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13539 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13540 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13541 analyzed_for_bivness_p, record_biv): New functions.
13542 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13543 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13544 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13546 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13548 (iv_number_of_iterations): Use new interface to iv analysis.
13549 * loop-unroll.c: Do not include varray.h.
13550 (analyze_iv_to_split_insn): Use new interface to iv
13552 * loop-unswitch.c (may_unswitch_on): Ditto.
13553 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13555 (df_bb_modify): Realloc tables to the new index.
13556 (df_find_use): New function.
13557 * df.h (df_find_use): Declare.
13558 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13560 * cfgloop.h (struct rtx_iv): Remove analysed field.
13561 (iv_get_reaching_def): Removed.
13562 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13563 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13564 (loop-iv.o): Add df.h and hashtab.h dependency.
13565 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13567 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13570 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13572 (__floatundisf, __floatundidf): Likewise.
13573 * libgcc2.h (IS_IBM_EXTENDED): Define.
13575 2006-01-19 DJ Delorie <dj@redhat.com>
13577 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13579 2006-01-19 Paul Brook <paul@codesourcery.com>
13581 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13582 as nothrow when unwinding tables are disabled.
13584 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13587 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13588 of bit-field" when in system header.
13590 2006-01-19 DJ Delorie <dj@redhat.com>
13592 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13593 the 16 bit shift limit of the m16c.
13595 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13598 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13599 * config/i386/i386.c (output_set_got): Output the label if we have one
13600 for the TARGET_DEEP_BRANCH_PREDICTION case.
13602 2006-01-19 Jan Hubicka <jh@suse.cz>
13603 H.J. Lu <hongjiu.lu@intel.com>
13604 Evandro Menezes <evandro.menezes@amd.com>
13606 * invoke.texi (generic): Document
13608 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13609 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13610 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13611 (x86_use_incdec, x86_pad_returns): New variables
13612 (TARGET_CPU_DEFAULT_generic): New constant
13613 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13614 (enum processor_type): Add generic32 and generic64.
13615 * i386.md (cpu attribute): Add generic32/generic64
13616 (movhi splitter): Behave sanely when both partial_reg_dependency and
13617 partial_reg_stall are set.
13618 (K8 splitters): Enable for generic as well.
13619 * predicates.md (incdec_operand): Use TARGET_INCDEC
13620 (aligned_operand): Avoid memory mismatch stalls.
13621 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13622 * ppro.md: Enable for generic32
13623 * i386.c (generic64_cost, generic32_cost): New.
13624 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13625 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13626 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13627 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13628 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13629 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13630 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13631 x86_accumulate_outgoing_args, x86_prologue_using_move,
13632 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13633 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13634 Enable for generic.
13635 (x86_use_incdec, x86_pad_returns): New.
13636 (override_options): Add generic32 and generic64, translate "generic"
13637 to generic32/generic64 and "i686" to "generic32", refuse
13638 "generic32"/"generic64" as arch target.
13639 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13640 (ix86_reorg): Honor PAD_RETURNS.
13642 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13644 * tree-pretty-print.c (dump_generic_node): Handle
13645 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13646 * cgraph.c (cgraph_expand_queue): Rename from
13647 cgraph_analyze_queue. Update all users.
13648 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13649 cgraph_expand_queue.
13650 (cgraph_expand_all_functions): Likewise.
13651 (cgraph_finalize_pending_functions): Remove. Update callers.
13653 * tree.h (OMP_DIRECTIVE_P): Define.
13654 (OMP_PARALLEL_FN): Define.
13655 (OMP_PARALLEL_DATA_ARG): Define.
13656 (OMP_SECTIONS_SECTIONS): Define.
13657 * tree-pass.h (pass_expand_omp): Declare.
13658 * omp-low.c (struct omp_region): Declare.
13659 (struct omp_context): Remove fields 'parallel_type',
13660 'parallel_start_ix' and 'parallel_start_additional_args'.
13662 (struct omp_for_data): Rename from struct expand_omp_for_data.
13663 (omp_regions): New static variable.
13664 (root_omp_region): New static variable.
13665 (find_omp_clause): Make static.
13666 (is_in_combined_parallel_ctx): Remove.
13667 (is_combined_parallel): New.
13668 (extract_omp_for_data): Move earlier in the file.
13669 (workshare_safe_to_combine_p): New.
13670 (get_ws_args_for): New.
13671 (determine_parallel_type): Move earlier in the file.
13672 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13674 (omp_copy_decl): Likewise.
13675 (create_omp_child_function): Likewise.
13676 (lookup_omp_region): New.
13677 (dump_omp_region): New.
13678 (debug_omp_region): New.
13679 (debug_all_omp_regions): New.
13680 (new_omp_region): New.
13681 (scan_omp_parallel): If parallel_nesting_level > 1, the
13682 directive is nested within another parallel directive.
13683 Set OMP_PARALLEL_FN.
13684 (scan_omp_for): Do not try to handle combined parallel+for
13686 Remove FIXME comment.
13687 (scan_omp_nested): Remove.
13688 (scan_omp_1): Do not call scan_omp_nested when
13689 parallel_nesting_level is > 1.
13690 Do not change the DECL_CONTEXT of local variables found.
13691 (lookup_decl_in_outer_ctx): New.
13692 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13693 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13694 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13695 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13696 If CTX is nested, lookup VAR in the outer context when
13697 building copy assignment.
13698 (lower_send_clauses): Rename from expand_send_clauses.
13699 If CTX is nested, lookup VAR in the outer context when
13700 building copy assignments.
13701 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13702 If CTX is nested, lookup VAR in the outer context when
13703 building copy assignments.
13704 (expand_parallel_call): Rename from build_parallel_call.
13705 Handle combined parallel+workshare cases.
13706 Re-implement to emit code into the CFG.
13708 (expand_omp_parallel): Re-implement to emit code into the CFG.
13709 Call move_sese_region_to_fn to outline the sub-graph
13710 containing the parallel region.
13711 (expand_omp_for_1): Remove.
13712 (expand_omp_for_generic): Re-implement to emit code into the
13714 (expand_omp_for_static_nochunk): Likewise.
13715 (expand_omp_for_static_chunk): Likewise.
13716 (expand_omp_for): Likewise.
13717 (expand_omp_sections): Likewise.
13718 (remove_exit_barriers): New.
13719 (expand_omp_synch): New.
13721 (build_omp_regions_1): New.
13722 (build_omp_regions): New.
13723 (execute_expand_omp): New.
13724 (gate_expand_omp): New.
13725 (pass_expand_omp): Define.
13726 (lower_omp_sections): Rename from expand_omp_sections.
13727 Set OMP_SECTIONS_SECTIONS.
13728 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13729 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13730 (lower_omp_single): Rename from expand_omp_simple.
13731 (lower_omp_master): Rename from expand_omp_master.
13732 (lower_omp_ordered): Rename from expand_omp_ordered.
13733 (lower_omp_critical): Rename from expand_omp_critical.
13734 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13735 (lower_omp_for): Re-implement.
13736 (lower_omp_parallel): Re-implement.
13737 (lower_regimplify): Rename from expand_regimplify.
13738 (lower_omp_1): Rename from expand_omp_1.
13739 If there are syntax errors in the program, replace every
13740 OpenMP directive with NOP.
13741 Call lower_omp_* instead of expand_omp_*.
13742 (lower_omp): Rename from expand_omp.
13744 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13745 * tree-gimple.h (enum omp_parallel_type): Remove.
13746 (gimple_boolify): Declare extern.
13747 (find_omp_clause, determine_parallel_type): Remove.
13749 * gimple-low.c (lower_omp_directive): New.
13750 (lower_stmt): Call it.
13751 (record_vars_into): Move from ...
13752 (record_vars): ... here.
13753 Call record_vars_into with current_function_decl.
13755 * gimplify.c (struct gimplify_ctx): Remove fields
13756 combined_pre_p and combined_ctxp. Update users.
13757 (get_formal_tmp_var): Add documentation.
13758 (gimple_boolify): Make extern.
13759 (gimplify_expr_in_ctx): Remove. Update callers.
13760 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13761 will always be a BIND_EXPR.
13762 (gimplify_expr): Handle OMP_RETURN_EXPR.
13763 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13764 (OMP_PARALLEL): Add 3 operands.
13765 (OMP_SECTIONS): Add 1 operand.
13766 (OMP_RETURN_EXPR): Define.
13768 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13769 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13770 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13771 creating a circular free list.
13772 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13774 * tree-flow.h (move_sese_region_to_fn): Declare.
13775 (record_vars_into): Declare.
13776 * tree-cfg.c (make_omp_sections_edges): New.
13777 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13778 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13779 OMP_SECTIONS and OMP_SECTION.
13780 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13781 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13782 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13783 (gather_blocks_in_sese_region): New.
13784 (struct move_stmt_d): Declare.
13785 (move_stmt_r): New.
13786 (move_block_to_fn): New.
13787 (move_sese_region_to_fn): New.
13789 * passes.c (init_optimization_passes): Schedule
13790 pass_expand_omp after pass_init_datastructures.
13792 * tree-ssa-operands.c (get_expr_operands): Handle
13793 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13794 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13796 2006-01-19 Jeff Law <law@redhat.com>
13798 * tree-vrp.c (extract_range_from_assert): Refine the result range
13799 if the variable referenced by the ASSERT_EXPR has a range and
13800 either the tentative result range or the previous range is a
13803 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13805 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13807 2006-01-19 Jan Hubicka <jh@suse.cz>
13809 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13811 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13813 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13814 (expand_compound_operation, expand_field_assignment): Fail if the
13815 bit lengths of an extract operation are out of range.
13816 (make_extraction): Compute wanted_inner_mode based on the position
13817 and length of the extraction. Make it extraction_mode for non-constant
13818 positions, and do not modify offset in that case. When generating a
13819 new MEM, use a mode that can hold the extraction while keeping correct
13820 alignment. Remove code that supported MEMs wrapped by USEs.
13821 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13823 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13825 * config/s390/s390.md ("Y", "y"): New mode attribute.
13826 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13827 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13828 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13829 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13830 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13831 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13832 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13833 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13834 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13835 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13836 "addsi3", "subsi3"): Insn patterns removed.
13837 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13838 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13839 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13840 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13841 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13842 "*sub<mode>3_cconly2"): New insn patterns.
13843 ("addsi3", "subsi3"): New expanders.
13845 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13847 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13848 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13849 existing STMT_VINFO_VECTYPE if available.
13850 (vect_mark_relevant): Add special handling for stmts that are
13851 marked as STMT_VINFO_IN_PATTERN_P.
13852 (vect_analyze_loop): Call vect_pattern_recog.
13853 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13854 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13856 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13857 (vect_recog_func_ptr): New function-pointer type.
13858 * tree-vect-patterns.c: New file.
13859 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13860 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13861 (vect_pattern_recog_1): New functions.
13862 (vect_pattern_recog_funcs): New array of function pointers.
13864 * tree-vectorizer.h (ternary_op): New enum value.
13865 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13866 declaration. Revised documentation. Removed redundant dump prints.
13867 Removed redundant argument. Added support for reduction patterns.
13868 (vectorizable_reduction): Added support for reduction patterns.
13869 (vect_transform_stmt): Added support for patterns.
13871 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13872 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13873 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13874 (expand_widen_pattern_expr): New function.
13875 (init_optabs): Initialize new optabs udot_prod_optab,
13877 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13878 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13879 (expand_widen_pattern_expr): New function declaration.
13880 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13882 * tree-inline.c (estimate_num_insns_1): Added cases for new
13883 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13884 * tree-pretty-print.c (dump_generic_node): Likewise.
13885 (op_prio): Likewise.
13886 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13887 * tree-ssa-operands.c (get_expr_operands): Added case for
13889 * tree-vect-patterns.c (widened_name_p): New function.
13890 (vect_recog_dot_prod_pattern): Added function implementation.
13891 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13892 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13893 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13894 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13896 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13897 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13898 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13899 (init_optabs): Initialize new optabs widen_ssum_optab,
13901 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13902 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13903 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13904 use instead of type of def.
13905 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13906 function implementation.
13907 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13908 widen_ssumv8hi): New.
13910 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13913 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13916 * c-decl.c (add_flexible_array_elts_to_size): New function.
13917 (finish_decl): Use it.
13919 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13921 * diagnostic.h: Include options.h.
13922 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13923 dependancies for diagnostic.h.
13924 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13926 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13928 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13929 (ssa_ro_call_cache_valid): Ditto.
13930 * tree-ssa-alias.c (sort_tags_by_id): New function.
13931 (init_transitive_clobber_worklist): Ditto.
13932 (add_to_worklist): Ditto.
13933 (mark_aliases_call_clobbered): Ditto.
13934 (compute_tag_properties): Ditto.
13935 (set_initial_properties): Ditto.
13936 (compute_call_clobbered): Ditto.
13937 (compute_may_aliases): Call compute_call_clobbered and grouping.
13938 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13939 (compute_flow_insensitive_aliasing): Grouping now happens in our
13941 (setup_pointers_and_addressables): Remove clobbering related code.
13942 (add_may_alias): Ditto.
13943 (replace_may_alias): Ditto.
13944 (get_nmt_for): Ditto.
13945 (create_global_var):
13946 (is_escape_site): Return an escape_type enumeration.
13947 * tree-flow-inline.h (is_call_clobbered): Global var does not
13948 imply call clobbered.
13949 (mark_call_clobbered): Take a reason for marking this. Remove
13950 marking of globalness, and cache invalidation.
13951 (clear_call_clobbered): Remove cache invalidation code.
13952 * tree-dfa.c (dump_variable): If details is on, dump the reason
13954 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13956 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13957 (struct var_ann_d): Ditto.
13958 (enum escape_type): New.
13959 (mark_call_clobbered): Adjust prototype.
13960 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13961 are never call clobbered.
13962 Record reasons for escaping.
13963 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13964 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13965 (ssa_ro_call_cache_valid): Ditto.
13966 (clobbered_v_may_defs): Ditto.
13967 (clobbered_vuses): Ditto.
13968 (ro_call_vuses): Ditto.
13969 (clobber_stats): New.
13970 (init_ssa_operands): Zero out clobber stats.
13971 (fini_ssa_operands): Print out clobber stats.
13972 (get_call_expr_operands): Pass callee fndecl to
13973 add_call_read_ops).
13974 (add_call_clobber_ops): Remove use of cache.
13975 Add use of PURE_CONST information.
13976 (add_call_read_ops): Remove use of cache.
13977 Add use of static not_read information.
13979 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13981 Introduce TLS descriptors for i386 and x86_64.
13982 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13983 (TARGET_ANY_GNU_TLS): New macro.
13984 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13985 (struct machine_function): Add tls_descriptor_call_expanded_p.
13986 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13987 (ix86_current_function_calls_tls_descriptor): Likewise.
13988 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13989 (override_options): Introduce gnu2 tls dialect.
13990 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13992 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13994 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13995 (ix86_init_machine_status): Initialize new field.
13996 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13997 (ix86_tls_module_base): New.
13998 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13999 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14000 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14001 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14002 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14003 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14004 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14005 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14006 * config/i386/predicates.md (tls_modbase_operand): New.
14007 (tp_or_register_operand): New.
14009 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14011 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14012 (look_for_address_of): Ditto.
14013 (ipa_init): Walk the function decls.
14014 (static_execute): Don't set readonly on FUNCTION_DECL's.
14016 2006-01-18 Roger Sayle <roger@eyesopen.com>
14018 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14019 for shifts where the source and destination registers are different.
14021 2006-01-18 Paul Brook <paul@codesourcery.com>
14023 Merge from csl-arm-branch.
14024 2005-03-14 Julian Brown <julian@codesourcery.com>
14025 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14026 (aeabi_llsl): Likewise.
14027 (ashrdi3): Likewise.
14028 (aeabi_lasr): Likewise.
14029 (lshrdi3): Likewise.
14030 (aeabi_llsr): Likewise.
14031 2005-03-10 Julian Brown <julian@codesourcery.com>
14032 * config.gcc: Disable shared libgcc for SymbianOS.
14033 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14035 2006-01-18 DJ Delorie <dj@redhat.com>
14037 * c-pragma.c (handle_pragma_diagnostic): New.
14038 (init_pragma): Register it.
14039 * doc/extend.texi: Document it.
14041 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14042 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14043 (diagnostic_context): Add classify_diagnostic[].
14044 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14045 as errors if they're overridden to DK_WARNING.
14046 (diagnostic_initialize): Initialize classify_diagnostic[].
14047 (diagnostic_set_kind_override): New.
14048 (diagnostic_report_diagnostic): Check for kind changes.
14049 * opts.c (common_handle_option): Take lang_mask. Update callers.
14050 Handle OPT_Werror_.
14051 * common.opt (Werror=): New.
14052 * doc/invoke.texi: Document -Werror=*
14054 2006-01-18 Jeff Law <law@redhat.com>
14056 * tree-vrp.c (test_for_singularity): Correct test for new
14057 min limit. Use operand_equal_p rather than pointer equality
14058 for testing if new min/max values are equal.
14060 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14061 using range information until after propagation and folding.
14063 2006-01-18 Richard Henderson <rth@redhat.com>
14064 Aldy Hernandez <aldyh@redhat.com>
14065 Jakub Jelinek <jakub@redhat.com>
14066 Diego Novillo <dnovillo@redhat.com>
14068 * omp-low.c: New file.
14069 * c-omp.c: New file.
14071 2006-01-18 Richard Henderson <rth@redhat.com>
14072 Jakub Jelinek <jakub@redhat.com>
14073 Diego Novillo <dnovillo@redhat.com>
14075 * doc/invoke.texi: Document -fopenmp.
14076 * tree-dump.h (debug_function): Declare.
14077 * hooks.c (hook_bool_tree_bool_false): New function.
14078 (hook_tree_tree_null): Remove.
14079 (hook_tree_tree_tree_null): New.
14080 * hooks.h: Update to match.
14081 * tree-pretty-print.c (debug_tree_chain): New.
14082 (print_generic_expr): Handle TDF_CHAIN.
14083 (dump_generic_node): Handle BLOCK.
14084 Do not abort with incomplete SWITCH_EXPRs.
14085 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14086 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14087 print space after directive name.
14088 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14089 Handle OMP_MASTER and OMP_ORDERED.
14090 Handle printing of OMP_BODY just in one place, goto
14091 dump_omp_body in the rest of OMP_* nodes that have
14093 Don't handle clause nodes here. Update omp statements to
14094 use dump_omp_clauses.
14095 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14096 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14097 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14098 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14099 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14100 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14101 Adjust output for GOMP_PARALLEL.
14102 (dump_omp_clauses): New.
14103 (print_declaration): Dump DECL_VALUE_EXPR.
14104 (op_symbol_1): Split out of op_symbol.
14105 (dumping_stmts): Remove. Update all users.
14106 * cgraph.c (cgraph_analyze_queue): New.
14107 (cgraph_add_new_function): New.
14108 * cgraph.h (cgraph_analyze_queue): Declare.
14109 (cgraph_add_new_function): Declare.
14110 (cgraph_lower_function): Remove.
14111 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14112 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14113 and TYPE_P nodes in its default clause.
14114 (empty_body_p): New.
14115 (tree_range_check_failed): New.
14116 (build5_stat): New.
14117 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14118 OMP_CLAUSE_REDUCTION_MERGE,
14119 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14120 OMP_CLAUSE_PRIVATE_DEBUG,
14121 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14122 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14123 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14124 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14125 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14126 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14127 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14128 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14129 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14130 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14131 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14132 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14133 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14134 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14135 (TREE_RANGE_CHECK): New.
14136 (empty_body_p): Declare.
14137 (enum omp_clause_default_kind): New.
14138 (build_string_literal): Declare.
14139 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14140 (build5_stat, build5): Declare.
14141 * tree-pass.h (TDF_CHAIN): Define.
14142 * tree-pass.h (PROP_gimple_lomp): Define.
14143 (pass_lower_omp): Declare.
14144 * diagnostic.h (debug_tree_chain): Declare.
14145 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14147 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14148 * builtins.c (build_string_literal): Make extern.
14149 * gcc.c (include_spec_function): New.
14150 (static_spec_functions): Add it.
14151 (main): Move load of libgomp.spec ...
14152 (LINK_COMMAND_SPEC): ... here.
14153 (link_gomp_spec): New.
14154 (static_specs): Include it.
14155 (LINK_COMMAND_SPEC): Add link_gomp.
14156 (GOMP_SELF_SPECS): New.
14157 (driver_self_specs): Include it.
14158 (switch_matches): Don't mark inline.
14159 (main): Load libgomp.spec.
14160 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14161 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14162 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14163 * tree-gimple.h (enum omp_parallel): Declare.
14164 (determine_parallel_type): Declare.
14165 (omp_firstprivatize_variable): Declare.
14166 (omp_reduction_init): Declare.
14167 (diagnose_omp_structured_block_errors): Declare.
14168 (struct walk_stmt_info): Add want_return_expr.
14169 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14170 (find_omp_clause): Declare.
14171 (insert_field_into_struct): Declare.
14172 (struct walk_stmt_info): Move from tree-nested.c
14173 (walk_stmts): Declare.
14174 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14176 * cgraphunit.c (cgraph_lower_function): Make static.
14177 (cgraph_finalize_pending_functions): New.
14178 (cgraph_finalize_function): Call it.
14179 (cgraph_finalize_compilation_unit): Likewise.
14180 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14181 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14182 (BT_FN_UINT_UINT): New.
14183 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14184 DEF_FUNCTION_TYPE_VAR_4): Document.
14185 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14186 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14187 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14188 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14189 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14190 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14191 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14192 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14193 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14194 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14195 into separate files.
14196 (DEF_GOMP_BUILTIN): New.
14197 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14198 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14199 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14200 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14201 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14202 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14203 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14204 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14205 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14206 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14207 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14208 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14209 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14210 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14211 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14212 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14213 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14214 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14215 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14216 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14217 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14218 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14219 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14220 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14221 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14222 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14223 * sync-builtins.def: New file, moved from builtins.def.
14224 * omp-builtins.def: New file, moved from builtins.def.
14225 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14226 * gimple-low.c (lower_function_body): Clear data.
14227 (lower_stmt): Do not handle COMPOUND_EXPR.
14228 Remove call to print_node_brief.
14229 * c-tree.h (c_finish_omp_clauses): New prototype.
14230 (C_DECL_THREADPRIVATE_P): Define.
14231 (lookup_name_no_remap, c_omp_remap_private): Remove
14232 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14233 (check_for_loop_decls): Update decl.
14234 (lookup_name_no_remap, c_omp_remap_private): Declare.
14235 (build_indirect_ref, build_modify_expr, pushdecl,
14236 pushdecl_top_level): Move to c-common.h.
14237 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14238 before the switch, but just in the 2 places that need it.
14239 * c-decl.c (diagnose_mismatched_decls): Do not check for
14240 mismatched thread-local attributes when OLDDECL is marked
14241 threadprivate and NEWDECL has no thread-local attributes.
14242 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14243 (c_gimple_diagnostics_recursively): Rename from
14244 c_warn_unused_result_recursively. Invoke
14245 diagnose_omp_structured_block_errors.
14246 (check_for_loop_decls): Return a singular decl found.
14247 * langhooks.c (lhd_omp_predetermined_sharing): Return
14248 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14249 (lhd_omp_firstprivatize_type_sizes): New.
14250 (lhd_omp_assignment): New.
14251 (lhd_omp_predetermined_sharing): New.
14252 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14253 (struct lang_hooks_for_types): Add
14254 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14255 omp_predetermined_sharing, omp_disregard_value_expr,
14256 omp_private_debug_clause, omp_clause_default_ctor,
14257 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14258 (c_finish_omp_clauses): New.
14259 (c_finish_bc_stmt): Diagnose break within omp for.
14260 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14261 (build_unary_op): Return error_mark after reporting
14263 (build_modify_expr): Likewise.
14264 * gimplify.c: Include optabs.h and pointer-set.h.
14265 (enum gimplify_omp_var_data): Declare.
14266 (struct gimplify_omp_ctx): Declare.
14267 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14269 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14270 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14271 (splay_tree_compare_decl_uid): New.
14272 (new_omp_context): New.
14273 (delete_omp_context): New.
14274 (gimple_add_tmp_var): Call omp_add_variable.
14275 (gimplify_bind_expr): Likewise.
14276 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14277 true, disregard DECL_VALUE_EXPR on the decl if any.
14278 (gimplify_expr_in_ctx): New.
14279 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14280 omp_add_variable, omp_notice_variable, omp_is_private
14281 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14282 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14283 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14284 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14285 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14286 gimplify_omp_atomic): New.
14287 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14288 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14289 OMP_CRITICAL and OMP_ATOMIC.
14290 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14291 * c-pragma.h (enum pragma_kind): Add
14292 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14293 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14294 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14295 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14296 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14297 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14298 PRAGMA_OMP_THREADPRIVATE.
14299 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14300 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14301 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14302 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14303 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14304 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14305 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14306 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14307 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14308 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14309 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14310 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14311 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14313 (struct nesting_info): Add field_map,
14314 suppress_expansion, debug_var_chain.
14315 (create_nesting_tree): Initialize them.
14316 (lookup_field_for_decl): Use field_map.
14317 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14318 (convert_local_omp_clauses): New.
14319 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14320 (walk_body): Split out of walk_function.
14321 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14322 (convert_nonlocal_reference): Handle omp statements.
14323 (convert_local_reference): Likewise.
14324 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14325 (unnest_nesting_tree): New.
14326 (lower_nested_functions): Call it.
14327 (insert_field_into_struct): Make extern.
14328 (struct walk_stmt_info): Move to tree-gimple.h.
14329 (walk_stmts): Make extern.
14330 * omp-builtins.def: New file.
14331 * tree-iterator.c (expr_only): Clarify comment.
14332 * c-common.h (pushdecl_top_level, pushdecl,
14333 build_modify_expr, build_indirect_ref,
14334 c_finish_omp_master, c_finish_omp_critical,
14335 c_finish_omp_ordered, c_finish_omp_barrier,
14336 c_finish_omp_atomic, c_finish_omp_flush,
14337 c_finish_omp_for, c_split_parallel_clauses,
14338 omp_clause_default_kind, c_omp_sharing_predetermined,
14339 c_omp_remap_decl): Declare.
14340 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14341 (OBJS-common): Add omp-low.o.
14342 (c-omp.o, omp-low.o): Add.
14343 (gimplify.o): Add dependency on $(OPTABS_H).
14344 (GTFILES): Add omp-low.c.
14345 (gt-stringpool.h): Add.
14346 * tree-cfg.c (set_bb_for_stmt): Do not update the
14347 block-to-labels map if we are currently expanding to RTL.
14348 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14350 Handle IDENTIFIER_NODE.
14351 (tree_verify_flow_info): Do not ICE when emitting error
14352 messages about invalid labels.
14353 (dump_function_to_file): Reset CFUN before emitting the body
14355 (debug_function): New.
14356 * passes.c (init_optimization_passes): Schedule
14358 * langhooks-def.h (lhd_omp_predetermined_sharing,
14359 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14361 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14362 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14363 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14364 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14365 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14366 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14367 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14368 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14369 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14370 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14371 (LANG_HOOK_DECLS): Use them.
14373 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14374 Richard Henderson <rth@redhat.com>
14375 Jakub Jelinek <jakub@redhat.com>
14376 Diego Novillo <dnovillo@redhat.com>
14378 * c-parser.c (pragma_omp_clause): Define.
14379 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14380 (c_parser_compound_statement): Likewise.
14381 (c_parser_statement): Likewise.
14382 (c_parser_pragma): Handle omp pragmas.
14383 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14384 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14385 (c_parser_omp_clause_name, check_no_duplicate_clause,
14386 c_parser_omp_variable_list,
14387 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14388 c_parser_omp_clause_copyprivate,
14389 c_parser_omp_clause_default,
14390 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14391 c_parser_omp_clause_lastprivate,
14392 c_parser_omp_clause_nowait,
14393 c_parser_omp_clause_num_threads,
14394 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14395 c_parser_omp_clause_reduction,
14396 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14397 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14398 c_parser_omp_atomic, c_parser_omp_barrier,
14399 c_parser_omp_critical, c_parser_omp_flush,
14400 c_parser_omp_for_loop, c_parser_omp_for,
14401 c_parser_omp_master, c_parser_omp_ordered,
14402 c_parser_omp_sections_scope, c_parser_omp_sections,
14403 c_parser_omp_parallel, c_parser_omp_single,
14404 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14405 * c-pragma.c (init_pragma): Do omp pragma registration here.
14406 * c.opt (fopenmp): New flag.
14408 2006-01-18 Eric Christopher <echristo@apple.com>
14410 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14411 * config/darwin.h (GOMP_SELF_SPECS): Define.
14413 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14415 * rtl.h: Remove the prototype for reg_alloc.
14417 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14420 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14421 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14422 sjlj and dwarf2 exception handling.
14423 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14424 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14425 * pa/pa.c (function_value): Treat complex and vector types as
14427 (function_arg): Likewise. Only pass scalar floats in the floating
14428 point argument registers.
14429 * pa/t-slibgcc-dwarf-ver: New file.
14430 * pa/t-slibgcc-sjlj-ver: New file.
14431 * pa/t-slibgcc-elf-ver: Delete file.
14433 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14435 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14436 unlikely_test_section_p test.
14438 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14440 * mode-switching.c (optimize_mode_switching): Make it static.
14441 * basic-block.h: Remove the prototype for
14442 optimize_mode_switching.
14444 * modulo-sched.c (sms_schedule): Make it static.
14445 * rtl.h: Remove the prototype for sms_schedule.
14447 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14448 * rtl.h: Remove the prototype for gcse_after_reload_main.
14450 * reg-stack.c (reg_to_stack): Make it static.
14451 * rtl.h: Remove the prototype for reg_to_stack.
14453 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14455 * rtl.h: Remove the prototypes for regrename_optimize and
14456 copyprop_hardreg_forward.
14458 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14460 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14461 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14462 Test against the appropriate null constant for the mode.
14463 If 'fixup_overlap' is true, swap the operands if they overlap.
14464 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14465 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14466 alpha_split_tmode_pair and adjust for above change.
14467 * config/alpha/alpha.md (movtf_internal): Adjust call to
14468 alpha_split_tfmode_pair and rely on it to swap the operands.
14469 (movti_internal): New insn and post-reload splitter.
14470 (movti): New expander.
14472 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14474 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14477 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14479 * rtlanal.c (global_reg_mentioned_p_1,
14480 global_reg_mentioned_p): Remove.
14481 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14483 * flow.c (initialize_uninitialized_subregs): Make it static.
14484 * rtl.h: Remove the prototype for
14485 initialize_uninitialized_subregs.
14487 * function.c (instantiate_virtual_regs): Make it static.
14488 * function.h: Remove the prototype for
14489 instantiate_virtual_regs.
14491 * regmove.c (regmove_optimize, combine_stack_adjustments):
14493 * rtl.h: Remove the prototypes for regmove_optimize and
14494 combine_stack_adjustments.
14496 2006-01-17 Roger Sayle <roger@eyesopen.com>
14498 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14499 (size_cost): Encode costs in bytes so that a reg-reg addition is
14500 equivalent to COSTS_N_INSNS(1).
14501 (override_options): Use the size_cost.branch_cost as the default
14502 ix86_branch_cost when optimizing for size.
14504 2006-01-18 Ben Elliston <bje@au.ibm.com>
14506 * Makefile.in (D32PBIT_FUNCS): New.
14507 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14508 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14509 D64PBIT_FUNCS and D128PBIT_FUNCS.
14510 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14511 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14513 (decnumber_dep): Define.
14514 * doc/libgcc.texi (Decimal float library routines): New node.
14515 * config/dfp-bit.h, config/dfp-bit.c: New files.
14517 2006-01-18 Ben Elliston <bje@au.ibm.com>
14519 * expr.c (emit_move_change_mode): Always adjust addresses, not
14520 just during reload. Copy replacements only during reload.
14521 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14522 emit_move_via_integer.
14524 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14526 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14527 instead of $(srcdir) and ${srcdir}.
14529 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14532 PR middle-end/11135
14533 * arm.h (struct machine_function): Add pic_reg.
14534 * arm.c (arm_pic_register): Make unsigned.
14535 (arm_override_options): Only set arm_pic_register if
14536 TARGET_SINGLE_PIC_BASE.
14537 (use_return_insn): Only test for a pic register if it is fixed.
14538 (arm_compute_save_reg0_reg12_mask): Likewise.
14539 (thumb_compute_save_reg_mask): Likewise.
14540 (legitimate_pic_operand): Factor out some known invariants.
14541 (legitimize_pic_address): If we don't have a fixed pic register,
14542 then set up a pseudo in the function entry sequence. Handle the
14543 pic base being in a pseudo.
14544 (arm_load_pic_register): Handle the pic register being in a pseudo.
14545 (arm_expand_prologue): Only set up the pic register if it is fixed.
14546 (thumb_expand_prologue): Likewise.
14547 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14548 (pic_load_addr_based_insn): Likewise.
14549 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14552 2006-01-18 Ben Elliston <bje@au.ibm.com>
14554 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14555 decimal float modes for all floating point registers.
14557 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14558 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14560 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14563 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14564 even when the pointer is not NULL.
14566 2006-01-16 Ian Lance Taylor <ian@airs.com>
14568 * common.opt (ftoplevel-reorder): New option.
14569 * cgraph.c (cgraph_asm_nodes): New global variable.
14570 (cgraph_asm_last_node): New static variable.
14571 (cgraph_order): New global variable.
14572 (cgraph_create_node): Set new order field.
14573 (cgraph_varpool_node): Likewise.
14574 (decide_is_variable_needed): Return true if not
14575 flag_toplevel_reorder.
14576 (cgraph_add_asm_node): New function.
14577 * cgraph.h (struct cgraph_node): Add order field.
14578 (struct cgraph_varpool_node): Add order field.
14579 (struct cgraph_asm_node): Define.
14580 (cgraph_asm_nodes, cgraph_order): Declare.
14581 (cgraph_add_asm_node): Declare.
14582 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14584 (cgraph_varpool_assemble_pending_decls): Call it.
14585 (cgraph_output_pending_asms): New static function.
14586 (cgraph_finalize_compilation_unit): Call it.
14587 (struct cgraph_order_sort): Define.
14588 (cgraph_output_in_order): New static function.
14589 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14590 !flag_toplevel_reorder case.
14591 * c-parser.c: Include "cgraph.h".
14592 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14594 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14595 than -fno-unit-at-a-time.
14596 * doc/invoke.texi (Option Summary): Mention
14597 -fno-toplevel-reorder.
14598 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14599 -funit-at-a-time documentation.
14601 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14602 Kazu Hirata <kazu@codesourcery.com>
14604 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14606 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14608 * Makefile.in (FUNCTION_H): New. Use it instead of
14609 function.h throughout the file.
14610 * function.h: Include tree.h.
14612 2006-01-17 Ben Elliston <bje@au.ibm.com>
14614 * recog.c: Separate some functions with whitespace.
14616 2006-01-16 Richard Henderson <rth@redhat.com>
14618 Merge from gomp branch:
14619 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14620 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14621 and rename from struct inline_data. Rename callee* to dst*;
14622 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14623 transform_new_cfg, transform_return_to_modify, and
14624 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14626 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14627 (copy_decl_for_dup): Remove.
14628 * tree-inline.c (struct inline_data): Move to header.
14629 (insert_decl_map): Export.
14630 (remap_decl): Update for member name changes. Use copy_decl hook.
14631 Allow for replacement to be a non-decl. Remove dead code.
14632 (remap_type_1): Check for existing mapping.
14633 (remap_type): Export.
14634 (remap_decls): Update for member name changes.
14635 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14636 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14637 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14638 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14639 (tree_function_versioning, build_duplicate_type): Likewise.
14640 (copy_body_r): Likewise. Export.
14641 (copy_decl_for_dup): Split into ...
14642 (copy_decl_for_dup_finish, copy_decl_to_var,
14643 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14644 (replace_ref_tree, inlining_p): Remove.
14646 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14648 * ifcvt.c (if_convert): Make it static.
14649 * rtl.h: Remove the prototype for if_convert.
14651 * local-alloc.c (local_alloc): Make it static.
14652 * rtl.h: Remove the prototype for local_alloc.
14654 * loop.c (loop_optimize): Make it static.
14655 * cfgloop.h: Remove the prototype for loop_optimize.
14658 2006-01-16 DJ Delorie <dj@redhat.com>
14660 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14663 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14665 * pa.md: Disparage copies between general and floating-point registers
14666 in 32-bit move patterns.
14668 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14671 * Makefile.in (check-%): Depend on site.exp instead of
14672 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14675 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14677 * global.c (global_alloc): Make it static.
14678 * rtl.h: Remove the prototype for global_alloc.
14680 2006-01-16 Richard Guenther <rguenther@suse.de>
14682 * tree-ssa-alias.c (struct used_part): Add write_only field.
14683 (get_or_create_used_part_for): Initialize it to true.
14684 (create_overlap_variables_for): Don't create structure variables
14685 for structures that only are written to.
14686 (find_used_portions): Handle MODIFY_EXPR to track whether a
14687 structure is only written to.
14689 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14691 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14693 * basic-block.h: Remove the prototype for
14694 partition_hot_cold_basic_blocks.
14696 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14698 * cppspec.c (lang_specific_spec_functions): Remove.
14699 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14700 * gcc.h (lang_specific_spec_functions): Remove.
14701 * gccspec.c (lang_specific_spec_functions): Remove.
14703 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14705 * combine.c (record_value_for_reg): Invalidate registers
14707 (record_dead_and_set_regs_1): Likewise, by passing them to
14708 record_value_for_reg.
14709 (record_dead_and_set_regs): Invalidate stores made by a
14710 call. We do not combine across a call, but we still
14711 relied on equivalences.
14713 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14715 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14716 vrp_int_const_binop returning non-constant nodes.
14718 2006-01-16 Paul Brook <paul@codesourcery.com>
14720 * config/m68k/m68k.c (output_move_const_into_data_reg):
14721 Output correct mnemonic for mvz and mvs.
14723 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14725 * rtl-factoring.c: Add sequence abstraction algorithm.
14726 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14727 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14729 (block_has_preserve_label): New function.
14730 * common.opt: Register new pass.
14731 * Makefile.in: Ditto.
14733 * timevar.def: Ditto.
14734 * tree-pass.h: Ditto.
14735 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14736 * rtl.h (make_jump_insn_raw): Add forward decl.
14737 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14739 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14740 Roger Sayle <roger@eyesopen.com>
14742 * fold-const.c (fold_minmax): New static function.
14743 (fold_binary) <MIN_EXPR>: Call it.
14744 <MAX_EXPR>: Likewise.
14745 * stor-layout.c (place_field): Use DECL_SIZE consistently
14746 in the computation of the new record size.
14748 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14750 * cse.c (cse_condition_code_reg): Make it static.
14751 * rtl.h: Remove the prototype for cse_condition_code_reg.
14753 * combine.c (combine_instructions): Make it static.
14754 * rtl.h: Remove the prototype for combine_instructions.
14756 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14759 * tree.c (get_file_function_name_long): Concatenate the first global
14760 object name with a string derived from the input filename of the object
14763 2006-01-16 Ben Elliston <bje@au.ibm.com>
14765 * config/i386/winnt-stubs.c: Update FSF address.
14766 * config/xtensa/ieee754-df.S: Ditto.
14767 * config/xtensa/ieee754-sf.S: Ditto.
14769 2006-01-14 Ian Lance Taylor <ian@airs.com>
14771 * ifcvt.c (noce_init_if_info): New static function, broken out of
14772 noce_process_if_block.
14773 (noce_process_if_block): Call noce_init_if_info.
14774 (check_cond_move_block): New static function.
14775 (cond_move_process_if_block): New static function.
14776 (process_if_block): Call cond_move_process_if_block.
14778 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14780 * cselib.c (hash_table): Rename to cselib_hash_table.
14781 (cselib_clear_table, discard_useless_values,
14782 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14783 cselib_init, cselib_finish): Adjust uses of hash_table.
14785 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14787 PR tree-optimization/25485
14788 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14789 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14790 is known to be false and true, respectively.
14792 2006-01-14 Richard Guenther <rguenther@suse.de>
14794 PR tree-optimization/22548
14795 PR tree-optimization/22555
14796 PR tree-optimization/22501
14797 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14798 * params.def (salias-max-array-elements): New parameter.
14799 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14800 * doc/invoke.texi (salias-max-array-elements): Document.
14801 * tree-flow-inline.h (var_can_have_subvars): We also handle
14803 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14805 * tree-ssa-structalias.c (params.h): Include.
14806 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14807 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14808 (get_constraint_for): For ADDR_EXPR operating on something
14809 containing an ARRAY_REF, add all subvars to the solution.
14810 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14811 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14812 for creating MUST_DEFs.
14813 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14815 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14817 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14819 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14820 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14821 number_of_iterations_le): New functions.
14822 (number_of_iterations_special): Removed.
14823 (number_of_iterations_exit): Do not use number_of_iterations_special.
14824 * tree.c (unsigned_type_for): Always return integer type.
14826 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14827 Richard Guenther <rguenther@suse.de>
14829 PR rtl-optimization/24257
14830 * gcse.c (find_moveable_store): Only consider a store movable
14831 when the SET_SRC of the insn can be assigned to a register.
14833 2006-01-14 Ian Lance Taylor <ian@airs.com>
14835 * tree.c (tree_not_class_check_failed): New function.
14836 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14837 (tree_not_class_check_failed): Declare.
14839 2006-01-13 Ian Lance Taylor <ian@airs.com>
14841 * reload1.c (do_output_reload): Add assertion rejecting a
14844 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14846 * combine.c (struct reg_stat): Add new fields truncation_label and
14848 (record_value_for_reg): Reset truncated_to_mode.
14849 (record_truncated_value): New function.
14850 (check_promoted_subreg): Call it. Rename to check_conversions.
14851 (combine_instructions): Rename check_promoted_subreg to
14853 (reg_truncated_to_mode): New function.
14854 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14855 (gen_lowpart_or_truncate): New function.
14856 (force_to_mode): Use it instead of gen_lowpart.
14858 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14860 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14861 VAR is a tag, not its type tag.
14863 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14865 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14866 alternatives to match style of other entries.
14867 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14869 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14871 PR tree-optimization/25771
14872 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14875 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14878 * tree-inline.c (declare_return_variable): If the return variable
14879 was marked as a non gimple complex, set the return slot variable
14880 to be a non gimple comple variable.
14882 2006-01-13 Richard Guenther <rguenther@suse.de>
14884 * builtins.c (expand_builtin_sincos): New function.
14885 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14887 (expand_builtin): Expand sincos using expand_builtin_sincos.
14889 2006-01-12 DJ Delorie <dj@redhat.com>
14891 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14892 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14893 so that constant shifts can be split.
14894 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14895 (m32c_valid_pointer_mode): Make static.
14896 (shift_gen_func_for): New.
14897 (m32c_prepare_shift): Use it. Split large const shifts into
14899 * config/m32c/predicates.md (shiftcount_operand): Allow more
14901 (longshiftcount_operand): New.
14902 * doc/md.texi (Machine Constraints): Document In6.
14904 2006-01-13 Ben Elliston <bje@au.ibm.com>
14906 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14907 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14910 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14912 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14913 to try to avoid clobbering pieces of structures when we know
14914 something about the whole structure.
14915 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14917 2006-01-13 Ben Elliston <bje@au.ibm.com>
14919 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14920 return in memory, as this is no limitation is no longer present.
14922 2006-01-12 DJ Delorie <dj@redhat.com>
14924 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14925 mova with fb, and for fb+0 -> An.
14927 * config/m32c/mov.md (peephole2): Fix enabling logic.
14929 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14930 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14931 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14932 FINI_ARRAY_SECTION_ASM_OP): Define.
14934 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14936 (m32c_legitimize_reload_address): New logic to reload FB to An.
14937 (m32c_output_reg_push): Add newline.
14938 (m32c_output_reg_pop): Likewise.
14940 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14942 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14944 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14946 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14948 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14950 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14953 2006-01-11 Ben Elliston <bje@au.ibm.com>
14955 * rtlanal.c (find_reg_note): Assert insn is not null.
14957 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14959 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14962 2006-01-11 Jeff Law <law@redhat.com>
14964 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14966 (mark_threaded_blocks, register_jump_thread): New functions.
14967 (thread_through_all_blocks): Remove unwanted argument. No
14968 longer rely on e->aux to communicate thread target info.
14969 Call mark_threaded_blocks. Release the threaded_blocks
14970 bitmap and threaded_edges vector when complete.
14971 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14972 (threaded_blocks): Remove.
14973 (tree_ssa_dominator_optimize): Remove initialization and
14974 finalization of threaded_blocks. Simplify call to
14975 thread_through_all_blocks.
14976 (thread_across_edge): Call register_jump_thread rather than
14977 storing thread information into e->aux.
14978 (free_all_edge_infos): Simplify now that e->aux is no longer
14979 used to communicate with thread_through_all_blocks.
14980 * tree-flow.h (thread_through_all_blocks): Update prototype.
14981 (register_jump_thread): Prototype.
14983 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14985 * df-core.c (df_compact_blocks, df_bb_replace): Use
14986 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14988 2006-01-11 Richard Guenther <rguenther@suse.de>
14990 PR tree-optimization/25734
14991 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14992 stop propagation after successful propagation to the LHS.
14994 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14996 * basic-block.h (control_flow_graph): Change the type of
14997 x_basic_block_info to VEC(basic_block,gc) *.
14998 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15000 (SET_BASIC_BLOCK): New.
15001 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15002 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15003 * cfgbuild.c (find_basic_blocks): Likewise.
15004 * cfglayout.c (fixup_reorder_chain): Likewise.
15005 * cfgrtl.c (create_basic_block_structure,
15006 rtl_create_basic_block): Likewise.
15007 * ifcvt.c (find_if_case_1): Likewise.
15008 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15011 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15013 * Makefile.in: Removed rotted odf.c entry.
15015 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15018 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15019 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15020 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15021 output pattern modifier, not %e.
15022 * config/cris/cris.c (cris_op_str): Update comment about pattern
15024 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15025 before falling through into...
15026 <case 'E'>: Redefined from old 'e' case.
15028 2006-01-11 Jan Hubicka <jh@suse.cz>
15031 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15033 2006-01-11 Jan Hubicka <jh@suse.cz>
15035 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15036 * i386.c (x86_decompose_lea): Kill.
15037 (ix86_rtx_costs): Kill.
15039 2006-01-11 Jan Hubicka <jh@suse.cz>
15041 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15042 * cgraph.h (cgraph_node): Add inline_decl.
15043 (cgraph_insert_node_to_hashtable): Declare.
15044 (save_inline_function_body): Declare.
15045 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15047 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15048 (cgraph_function_versioning): Update call of tree_function_versioning.
15049 (save_inline_function_body): New function.
15050 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15051 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15052 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15053 (cgraph_default_inline_p): Likewise.
15054 (cgraph_decide_inlining_incrementally): Likewise.
15055 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15056 (copy_bb): Kill saving; do updating of clones.
15057 (copy_cfg_body): Kill saving.
15058 (initialize_inlined-parameters): Likewise.
15059 (expand_call_inline): Likewise.
15061 (tree_function_versioning): New parameter "update_clones".
15062 (inlining_p): Kill saving.
15063 * tree-inline.h (tree_function_versioning): Update prototype.
15064 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15067 2006-01-11 Ian Lance Taylor <ian@airs.com>
15069 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15070 Allow undoing set of machine mode.
15071 (do_SUBST): Use enums instead of is_int.
15072 (do_SUBST_MODE): New function.
15073 (SUBST_MODE): New macro.
15074 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15075 reg and trying to replace reg_regno_rtx with a new register.
15076 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15077 (simplify_set): Use SUBST_MODE.
15078 (distribute_notes): Remove code that tried to update reg notes
15079 for regno_reg_rtx changes.
15081 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15083 PR tree-optimization/23109
15084 PR tree-optimization/23948
15085 PR tree-optimization/24123
15087 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15088 * tree-cfg.c (single_noncomplex_succ): New.
15089 * tree-flow.h (single_noncomplex_succ): Declare it.
15090 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15091 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15092 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15093 insert_bb, register_division_in, insert_reciprocals,
15094 replace_reciprocal, free_bb): New.
15095 (execute_cse_reciprocals_1): Rewritten.
15096 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15097 Do not commit any edge insertion. Always compute dominators and
15098 create the allocation pool.
15099 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15100 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15101 * targhooks.c (default_min_divistions_for_recip_mul): New.
15102 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15103 * passes.c (init_optimization_passes): Run recip after tree loop
15105 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15107 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15108 Kenneth Zadeck <zadeck@naturalbridge.com>
15110 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15111 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15112 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15113 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15114 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15115 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15116 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15117 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15118 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15119 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15120 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15121 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15122 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15123 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15124 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15125 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15126 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15127 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15128 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15129 DF_SCAN_POST_ALLOC): New macros.
15130 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15131 df_free_bb_function, df_local_compute_function, df_init_function,
15132 df_dataflow_function, df_confluence_function_0,
15133 df_confluence_function_n, df_transfer_function,
15134 df_finalizer_function, df_free_function, df_dump_problem_function,
15135 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15136 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15137 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15138 df_urec_bb_info, ) New types.
15139 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15141 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15142 df_analyze_simple_change_some_blocks,
15143 df_analyze_simple_change_one_block, df_compact_blocks,
15144 df_bb_replace, df_bb_regno_last_use_find,
15145 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15146 df_insn_regno_def_p, df_find_def, df_find_use,
15147 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15148 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15149 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15150 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15151 debug_df_chain, df_get_dependent_problem, df_chain_create,
15152 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15153 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15154 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15155 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15156 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15157 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15158 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15159 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15160 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15161 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15162 df_reorganize_refs, df_set_state, df_hard_reg_init,
15163 df_read_modify_subreg_p) New public functions.
15164 * df-core.c: The core dataflow solver and glue routines for rtl
15166 (df_init, df_add_problem, df_set_blocks, df_finish,
15167 df_hybrid_search_forward, df_hybrid_search_backward,
15168 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15169 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15170 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15171 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15172 df_reg_defined, df_find_use, df_reg_used, df_dump,
15173 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15174 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15175 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15176 debug_df_useno, reset_df_after_reload): New functions.
15177 * df-scan.c: The scanning fuctions, once in df.c, completely
15178 rewritten so that they now fully model the functionality of
15179 register usage at the backend.
15180 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15181 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15182 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15183 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15184 df_get_artificial_defs, df_get_artificial_uses,
15185 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15186 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15187 df_refs_delete, df_reorganize_refs, df_set_state,
15188 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15189 df_def_record_1, df_defs_record, df_uses_record,
15190 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15191 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15192 df_record_exit_block_uses, df_hard_reg_init): New functions.
15194 * df-problems.c: Seven concrete dataflow problems that use the
15195 scanning in df-scan.c and are solved by the engine in df-core.c.
15196 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15197 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15198 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15199 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15200 df_ru_free_bb_info, df_ru_alloc,
15201 df_ru_bb_local_compute_process_def,
15202 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15203 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15204 df_ru_transfer_function, df_ru_free, df_ru_dump,
15205 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15206 df_rd_free_bb_info, df_rd_alloc,
15207 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15208 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15209 df_rd_transfer_function, df_rd_free, df_rd_dump,
15210 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15211 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15212 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15213 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15214 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15215 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15216 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15217 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15218 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15219 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15220 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15221 df_urec_mark_reg_use_for_earlyclobber,
15222 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15223 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15224 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15225 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15226 df_chain_create_bb_process_use, df_chain_create_bb,
15227 df_chain_finalize, df_chain_free, df_chains_dump,
15228 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15229 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15230 df_reg_lifetime): New functions.
15231 * df.c: Deleted file.
15232 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15233 consistent with new df api.
15234 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15235 rest_of_handle_sms): Ditto.
15236 * web.c (unionfind_union, union_defs, entry_register, web_main):
15238 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15239 invariant_expr_equal_p, find_defs, check_dependencies,
15240 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15241 free_inv_motion_data, move_loop_invariants): Ditto.
15242 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15243 Update dependencies.
15244 (odf.c): Added defective entry that was deleted later in day.
15245 * sched-deps.c (sched_analyze_1): Ditto.
15247 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15249 * tree-ssa-operands.c (get_expr_operands): Record addressable
15250 variables directly. Do not call add_stmt_operands for CONST_DECLs
15252 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15253 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15255 2006-01-11 Ben Elliston <bje@au.ibm.com>
15257 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15258 function returns true in the positive case.
15260 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15263 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15264 for SI, DI, SF and DF modes. Add alternatives to copy between
15265 general and floating point registers to the 32-bit patterns.
15266 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15267 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15268 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15269 generating 64-bit code.
15270 * config/pa/pa.c (output_move_double): Handle copies between general
15271 and floating registers.
15273 2006-01-10 Stuart Hastings <stuart@apple.com>
15275 * config/i386/i386.md (set_got): Update.
15276 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15277 (builtin_setjmp_receiver): Mach-O support.
15278 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15279 (GOT_SYMBOL_NAME): Define.
15280 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15281 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15282 * config/i386/i386.c (override_options): Revise for Darwin.
15283 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15284 support. (darwin_x86_file_end): New. (output_set_got): Add label
15285 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15286 * config/i386/i386-protos.h (output_set_got): Likewise.
15287 * config/darwin.c (machopic_legitimize_pic_address): Update
15290 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15292 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15293 when MODE isn't BLKmode.
15295 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15297 PR rtl-optimization/25367
15298 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15300 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15303 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15304 for a negative bound.
15306 2006-01-10 Richard Guenther <rguenther@suse.de>
15308 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15309 Never override with anything constraint.
15311 2006-01-10 Jan Beulich <jbeulich@novell.com>
15313 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15314 256 bits when optimize_size.
15316 2006-01-10 Jan Beulich <jbeulich@novell.com>
15318 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15320 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15321 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15324 2006-01-10 Ben Elliston <bje@au.ibm.com>
15326 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15328 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15329 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15330 (USE_FP_FOR_ARG): Reject decimal float modes.
15331 (function_arg_advance): Likewise.
15332 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15333 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15334 point types in AltiVec vectors.
15335 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15336 (rs6000_libcall_value): Likewise.
15338 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15340 * config/xtensa/ieee754-df.S: New file.
15341 * config/xtensa/ieee754-sf.S: New file.
15342 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15343 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15344 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15346 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15348 * config/sh/predicates.md (binary_float_operator,
15349 binary_logical_operator, commutative_float_operator,
15350 equality_comparison_operator, greater_comparison_operator,
15351 less_comparison_operator, logical_operator,
15352 noncommutative_float_operator, shift_operator,
15353 symbol_ref_operand, unary_float_operator): Remove redundant
15356 2006-01-09 Jeff Law <law@redhat.com>
15358 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15359 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15360 now unused arguments. Callers updated.
15361 (eliminate_redundant_computations): Remove now unused arguments,
15363 (local_fold): Remove, no longer used.
15364 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15366 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15367 (simplify_cond): New function.
15368 (forward_propagate_into_cond): Call simplify_cond.
15370 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15372 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15373 (*vec_extractv2di_1_sse): New.
15375 2006-01-09 Ben Elliston <bje@au.ibm.com>
15377 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15379 2006-01-08 Richard Guenther <rguenther@suse.de>
15381 * tree-ssa-structalias.c (get_constraint_for): Remove
15382 anyoffset argument.
15383 (get_constraint_for_component_ref): Likewise.
15384 (do_deref): Likewise.
15385 (get_constraint_for): Likewise.
15386 (do_structure_copy): Likewise.
15387 (handle_ptr_arith): Likewise.
15388 (find_func_aliases): Likewise. Remove unused need_anyoffset
15391 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15392 Kaz Kojima <kkojima@gcc.gnu.org>
15394 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15395 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15396 (EXTRA_CONSTRAINT_C16): Remove.
15397 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15398 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15399 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15400 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15401 constants of SHmedia. Handle nested constant expressions of
15403 (andcosts): Fix the costs for SHmedia constants.
15404 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15405 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15406 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15407 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15408 (movv4hi_i, movv2si_i): Likewise.
15409 (movsi_const): Adjust the second operand of ior so to match with
15410 the Csu constraint.
15411 (movdi_const, movdi_const_32bit): Likewise.
15412 (movdi_const_16bit+1): Don't sign-extend LOW.
15413 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15415 (*double_shori): Fix the split condition. Use GEN_INT instead
15416 of get_int_mode calls. Mask lower 16-bit of the argument of
15418 (sym2GOTPLT): Remove.
15419 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15421 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15422 instead of EXTRA_CONSTRAINT_C16.
15424 2006-01-07 Ian Lance Taylor <ian@airs.com>
15425 David Edelsohn <edelsohn@gnu.org>
15427 PR rtl-optimization/25662
15428 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15429 for constant operands instead of simplify_gen_binary.
15430 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15431 after trying simplify_binary_operation
15433 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15435 * tree.c (iterative_hash_expr): Hash decls based on UID.
15437 2006-01-06 Eric Christopher <echristo@apple.com>
15439 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15440 (TARGET_UNWIND_EMIT): Fix spelling.
15441 * target.h (gcc_target): Add except_table_label.
15442 * except.c (output_function_exception_table): Use.
15443 * varasm.c (default_emit_except_table_label): New.
15444 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15446 (asm_out): Add here.
15447 * output.h (default_emit_except_table_label): Prototype.
15448 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15449 * config/darwin.c (darwin_emit_except_table_label): Define.
15450 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15452 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15454 PR tree-optimization/18527
15455 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15456 number_of_iterations_special, number_of_iterations_exit):
15457 Move base and step of an iv to a single structure. Add
15458 no_overflow flag, and use it in # of iterations analysis.
15459 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15460 folded_casts argument.
15461 (simple_iv): Pass base and step in a structure. Set no_overflow
15463 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15464 Evaluate expensiveness of computing # of iterations instead of
15465 the final expression.
15466 * tree-scalar-evolution.h (affine_iv): New structure.
15467 (simple_iv): Declaration changed.
15468 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15469 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15470 find_givs_in_stmt): Changed due to simple_iv change.
15472 2006-01-06 Jeff Law <law@redhat.com>
15475 * tree-cfg.c (bsi_replace): Rename final argument from
15476 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15477 change (stmt -> orig_stmt).
15478 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15479 (bsi_remove): Add new argument. Remove EH information
15481 (verify_eh_throw_table_statements): New function.
15482 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15484 * tree-optimize.c (execute_free_cfg_annotations): Verify
15485 the EH throw statement table after removing annotations.
15486 * except.h (verify_eh_throw_table_statements): Prototype.
15487 * tree-flow.h (bsi_remove): Update prototype.
15488 * tree-vrp.c (remove_range_assertions): Add new argument to
15490 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15491 * tree-complex.c (expand_complex_div_wide): Likewise.
15492 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15493 * tree-tailcall.c (eliminate_tailcall): Likewise.
15494 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15495 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15496 * tree-nrv.c (tree_nrv): Likewise.
15497 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15498 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15499 (combine_blocks): Likewise.
15500 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15501 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15502 (cleanup_control_flow): Likewise.
15503 (remove_forwarder_block): Likewise.
15504 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15505 * tree-sra.c (sra_replace): Likewise.
15506 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15507 (forward_propagate_single_use_vars): Likewise.
15508 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15509 * tree-inline.c (expand_call_inline): Likewise.
15510 * tree-vect-transform.c (vect_transform_loop): Likewise.
15511 * tree-outof-ssa.c (rewrite_trees): Likewise.
15512 * tree-cfg.c (make_goto_expr_edges): Likewise.
15513 (cleanup_dead_labels): Likewise.
15514 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15515 (bsi_move_before, bsi_move_after): Likewise.
15516 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15517 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15519 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15522 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15524 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15525 on non gimple variables. Also add checks at the top for decls and
15527 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15529 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15530 and IMAGPART_EXPR for creating MUST_DEFs.
15531 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15532 and NAME_MEMORY_TAG separately from the DECLs.
15534 2006-01-06 Richard Guenther <rguenther@suse.de>
15536 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15537 annotation, if necessary.
15538 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15539 redundant calls to update_stmt.
15540 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15543 2006-01-05 Richard Henderson <rth@redhat.com>
15545 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15547 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15549 * c-typeck.c: Update copyright date.
15551 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15553 * c-typeck.c (build_c_cast): Always warn when casting
15554 from a pointer to an integer of different size, even if
15555 the node was constant.
15557 2006-01-05 Richard Guenther <rguenther@suse.de>
15559 PR tree-optimization/22555
15560 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15561 if one structure field is an array.
15562 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15563 operands even if we found a subvar, but ignore VOPs in this
15565 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15567 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15569 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15571 PR middle-end/24998
15572 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15574 2006-01-05 Richard Guenther <rguenther@suse.de>
15575 Diego Novillo <dnovillo@redhat.com>
15577 * tree-pass.h (TODO_remove_unused_locals): Define.
15578 * gimple-low.c (expand_var_p, remove_useless_vars,
15579 pass_remove_useless_vars): Remove. Update all users.
15580 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15581 (remove_unused_locals): New function.
15582 * tree-flow.h (remove_unused_locals): Declare.
15583 * passes.c (execute_todo): Call remove_unused_locals if
15584 TODO_remove_unused_locals is set.
15585 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15586 * tree-ssa-dce.c (pass_dce): Likewise.
15587 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15589 2006-01-05 Richard Guenther <rguenther@suse.de>
15591 * tree-flow.h (struct fieldoff): Decompose field to
15592 type, size and decl.
15593 * tree-ssa-alias.c (create_sft): Take type as parameter.
15594 (create_overlap_variables_for): Store type, size and decl
15595 in the fieldoff structure.
15596 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15597 of struct fieldoff.
15598 (push_fields_onto_fieldstack): Likewise.
15599 (create_variable_info_for): Likewise. Use offset for the
15600 SFT name if the decl is not available.
15602 2006-01-04 Paul Brook <paul@codesourcery.com>
15604 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15606 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15608 * lambda-code.c (can_put_in_inner_loop): Relax
15610 (can_put_after_inner_loop): New function.
15611 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15612 (perfect_nestify): Change to make copies and modify uses.
15614 2006-01-04 Richard Henderson <rth@redhat.com>
15616 Merge from gomp branch:
15617 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15618 via integer constant.
15619 (pragma_lex): Remove.
15620 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15621 rather than parsing it.
15622 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15623 handle_pragma_extern_prefix): Add %< %> quotes.
15624 (registered_pragmas): New.
15625 (c_register_pragma_1): New.
15626 (c_register_pragma): Use it.
15627 (c_register_pragma_with_expansion): Likewise.
15628 (c_invoke_pragma_handler): New.
15629 (init_pragma): Use cpp_register_deferred_pragma directly for
15631 * c-pragma.h (enum pragma_kind): New.
15632 (pragma_handler): New.
15633 (c_invoke_pragma_handler): Declare.
15634 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15636 * c-common.h (c_common_pch_pragma): Update decl.
15637 * Makefile.in (c-parser.o): Update dependencies.
15638 (GTFILES): Add c-pragma.h.
15639 * c-parser.c (struct c_token): Add pragma_kind.
15640 (struct c_parser): Add in_pragma.
15641 (c_lex_one_token): Always initialize keyword and pragma_kind.
15642 Extract data for CPP_PRAGMA.
15643 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15644 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15645 Don't allow CPP_PRAGMA_EOL if in_pragma.
15646 (c_parser_consume_pragma): New.
15647 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15648 (c_parser_skip_to_end_of_parameter): Likewise.
15649 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15650 (c_parser_skip_to_pragma_eol): New.
15651 (c_parser_external_declaration): Handle CPP_PRAGMA.
15652 (c_parser_compound_statement_nostart): Likewise.
15653 (c_parser_statement_after_labels): Likewise.
15654 (c_parser_pragma): New.
15655 (pragma_lex): Likewise.
15656 (c_parser_pragma_pch_preprocess): New.
15657 (c_parser_new): Merge into ...
15658 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15660 2006-01-04 Jeff Law <law@redhat.com>
15663 * tree-cfg.c (bsi_replace): Remove the original statement
15664 from the EH throw statement table.
15666 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15668 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15669 make the prototype extern "C" and add throw ().
15672 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15673 and pos non-negative and pos + len <= 32.
15674 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15675 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15676 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15679 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15680 as well as sizes not multiple of component size.
15683 * function.c (instantiate_expr): New function.
15684 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15685 walk its DECL_VALUE_EXPR with instantiate_expr.
15687 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15688 DW_OP_deref{,_size} if address isn't going to be added.
15690 2006-01-04 Ben Elliston <bje@au.ibm.com>
15692 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15693 * config/fp-bit.c: Likewise.
15695 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15697 * dominance.c: Add comment about why we use DFS numbering
15700 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15701 Richard Henderson <rth@redhat.com>
15703 Merge from gomp-branch:
15704 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15705 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15707 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15709 PR rtl-optimization/25578
15710 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15711 pass a parameter to simplify_shift_const if changing ASHIFTRT
15714 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15716 * builtins.c (get_builtin_sync_mem): New function.
15717 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15718 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15719 Call get_builtin_sync_mem to generate mem rtx.
15721 2006-01-03 Richard Guenther <rguenther@suse.de>
15724 * stmt.c (add_case_node): Make sure to clear overflow flags
15727 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15729 Merge from gomp-branch.
15730 * config/sparc/sync.md: New file.
15731 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15732 UNSPECV_LDSTUB): New constants.
15733 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15734 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15735 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15738 2006-01-03 Roger Sayle <roger@eyesopen.com>
15740 * combine.c (reg_subword_p): New predicate to test whether the
15741 destination of a set refers to a subword/piece of a register.
15742 (try_combine): Generalize the code to merge the setting of a
15743 pseudo to a constant followed by a set of a subword of that
15744 register to a constant.
15746 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15748 * basic-block.h (control_flow_graph): Change the type of
15749 x_label_to_block_map to VEC(basic_block,gc) *.
15750 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15751 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15753 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15754 VEC(basic_block,heap) *.
15755 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15756 ssa_prop_fini): Adjust the uses of cfg_blocks.
15758 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15760 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15762 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15763 hashing trees instead of a pointer hash.
15764 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15765 compare for MEM_EXPR.
15767 PR rtl-optimization/25130
15768 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15769 when comparing MEMs for GCSE
15771 2006-01-03 Ben Elliston <bje@au.ibm.com>
15773 * targhooks.h (default_decimal_float_supported_p): Declare.
15774 * targhooks.c (default_decimal_float_supported_p): Define.
15775 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15776 `default_decimal_float_supported_p'.
15777 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15779 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15781 * combine.c (apply_distributive_law <SUBREG>): Check
15782 TRULY_NOOP_TRUNCATION.
15784 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15786 * dwarf2out.c (have_switched_text_section): Delete.
15787 (have_multiple_function_sections): New.
15788 (have_location_lists): Make 'bool'.
15789 (add_AT_loc_list): Use 'true' not '1'.
15790 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15791 (output_loc_list): Use have_multiple_function_sections.
15792 (output_ranges): Likewise.
15793 (dwarf2out_begin_function): Set have_multiple_function_sections if
15795 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15796 Check function_section rather than DECL_SECTION_NAME.
15797 (dwarf2out_finish): Use have_multiple_function_sections.
15798 Don't clear have_location_lists.
15800 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15801 Jan Hubicka <jh@suse.cz>
15803 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15804 case of conditional jump jumping to the next instruction.
15805 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15806 cases of conditional jump jumping to the next instruction.
15808 2006-01-02 Jan Hubicka <jh@suse.cz>
15810 * i386.c (*_cost): Add COSTS_N_INSNS.
15811 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15813 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15816 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15818 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15820 * config/arm/arm.c (all_fpus): Fix comment typo.
15821 * config/darwin.c: Likewise.
15822 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15823 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15824 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15826 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15828 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15829 (rs6000_split_compare_and_swapqhi): New.
15830 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15831 (sync_compare_and_swapqhi_internal): New.
15832 * config/rs6000/rs6000-protos.h: Declare.